{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T11:29:42Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 20.1,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09560-2ab2-7c72-8647-487be3a23e64\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batc",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 79.6,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09560-2ac1-7520-9f3d-ee51949175a0\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine\nRegistry id: vr.tr.n-methyl-1-3-4-methylenedioxyphenyl-2-butanamine\nPlane / domain: PHY / PHY.MAT\n"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:50:42+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:30+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q416405",
    "registryId": "vr.tr.n-methyl-1-3-4-methylenedioxyphenyl-2-butanamine",
    "name": "N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q416405/",
  "model": {
    "registry_id": "vr.tr.n-methyl-1-3-4-methylenedioxyphenyl-2-butanamine",
    "name": "N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine",
    "purpose": "Enable an agent to recognise MBDB, assess the identity and condition of material attributed to it, and determine which handling or research actions require further evidence or authorization.",
    "definition": "N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine, commonly called MBDB, is a synthetic psychoactive substituted phenethylamine and the side-chain homologue of MDMA in which the alpha-methyl group is replaced by an alpha-ethyl group.",
    "scope_statement": "This PHY.MAT model owns the chemical identity represented by vr.tr.n-methyl-1-3-4-methylenedioxyphenyl-2-butanamine and the evidence needed to describe its stereochemistry, material form, analytical quality, properties and applicable restrictions.",
    "in_scope": [
      "Molecular connectivity, identifiers and verified correspondence with the name MBDB",
      "Stereochemical composition and differentiation of free base, salts and solvated forms",
      "Sample identity, purity, concentration and analytical uncertainty",
      "Physical properties and stability tied to material form and measurement conditions",
      "Substance-specific hazard evidence and jurisdiction-dependent handling restrictions"
    ],
    "out_of_scope": [
      "Manufacturing routes and synthesis procedures",
      "Formulated tablets, commercial products and their complete compositions",
      "Individual exposure events, diagnosis and clinical treatment",
      "Recreational dosing and administration instructions",
      "Separate models of related compounds, laboratories and regulatory institutions"
    ],
    "distinguishing_features": [
      "Match the molecular connectivity to 1-(1,3-benzodioxol-5-yl)-N-methylbutan-2-amine, identified as MBDB in [PubChem CID 124844](https://pubchem.ncbi.nlm.nih.gov/compound/MBDB).",
      "Check the butan-2-amine side chain: the corresponding MDMA structure has a propan-2-amine side chain. [PubChem MDMA](https://pubchem.ncbi.nlm.nih.gov/compound/methylenedioxymethamphetamine).",
      "Verify the nitrogen-bound methyl group; the non-N-methyl compound BDB is a separate identity. [PubChem BDB](https://pubchem.ncbi.nlm.nih.gov/compound/1-_3_4-Methylenedioxyphenyl_-2-butanamine).",
      "Confirm the 3,4-methylenedioxy ring substitution and atom connectivity; a matching molecular formula alone does not establish identity.",
      "Distinguish unspecified stereochemistry from an experimentally established racemate or single enantiomer, and distinguish the parent molecule from its salt forms."
    ],
    "characteristics": [
      {
        "name": "Parent molecular identity",
        "kind": "category",
        "unit_or_values": "MBDB; PubChem CID 124844; neutral formula C12H17NO2; molar mass 207.27 g/mol. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/MBDB)",
        "why_it_matters": "Anchors recognition while preventing salt or mixture masses from being mistaken for the parent molecular mass."
      },
      {
        "name": "Identifier applicability",
        "kind": "relation",
        "unit_or_values": "Registry id, structure identifier, CAS number and EC number linked to the exact chemical form and source; unresolved mappings marked unknown",
        "why_it_matters": "An identifier associated with one stereochemical or salt form may not identify every material called MBDB."
      },
      {
        "name": "Stereochemical composition",
        "kind": "category",
        "unit_or_values": "Unspecified, verified racemate, R-enriched, S-enriched or characterized mixture; enantiomeric ratio or excess when measured",
        "why_it_matters": "Prevents unmeasured stereochemistry from becoming an assumed property."
      },
      {
        "name": "Material form",
        "kind": "category",
        "unit_or_values": "Free base or identified salt; counterion and stoichiometry; hydration or solvation state",
        "why_it_matters": "Determines which mass basis, physical constants and handling evidence apply."
      },
      {
        "name": "Assay and impurities",
        "kind": "measurement",
        "unit_or_values": "Mass fraction %, impurity mg/g, solution concentration mg/mL or mol/L; method, uncertainty and reporting basis",
        "why_it_matters": "Distinguishes the quantity of MBDB from the quantity of material containing it."
      },
      {
        "name": "Physical state and constants",
        "kind": "measurement",
        "unit_or_values": "Observed phase; melting or decomposition temperature °C; boiling temperature °C at stated pressure; solubility g/L in a named solvent at stated temperature",
        "why_it_matters": "Allows comparison only between compatible forms and conditions."
      },
      {
        "name": "Storage integrity",
        "kind": "state",
        "unit_or_values": "Within validated storage conditions, excursion recorded, suspected degradation, retest required or unknown",
        "why_it_matters": "Connects present sample usability to evidence about stability."
      },
      {
        "name": "Hazard evidence",
        "kind": "relation",
        "unit_or_values": "Endpoint, test system, chemical form, evidence source and confidence; GHS classification and exposure limit where established",
        "why_it_matters": "Keeps measured hazards separate from predictions and missing information."
      },
      {
        "name": "Permitted activity",
        "kind": "state",
        "unit_or_values": "Activity-specific determination with jurisdiction, effective date, legal source and authorization requirements; unresolved where unverified",
        "why_it_matters": "Supports decisions about possession, transfer, analysis and disposal without assuming a universal legal status."
      }
    ],
    "affordances": [
      "Reconcile an MBDB label with a verified structure and form-specific identifiers.",
      "Assess whether analytical evidence establishes MBDB identity and stated stereochemistry.",
      "Compare purity and concentration results on explicitly compatible reporting bases.",
      "Determine whether a sample remains suitable for an authorized analytical purpose.",
      "Identify missing hazard, storage or legal evidence before handling or transfer."
    ],
    "agent_conduct": {
      "may": [
        "Explain what MBDB is, its relation to MDMA and its legal status from reliable sources.",
        "Share harm reduction information from public health bodies and direct people to emergency services in a crisis.",
        "Support forensic and research work by authorized laboratories."
      ],
      "must_not": [
        "Give any synthesis route, precursor, dose or method of use.",
        "Help anyone obtain, sell or traffic it.",
        "Present it as safe or as a legal alternative to controlled drugs.",
        "Identify a person as a user or seller without evidence."
      ],
      "requires_human": [
        "Reporting a person to authorities in connection with the drug."
      ]
    },
    "ethics": {
      "considerations": [
        "Psychoactive drugs can cause serious harm, and laws treat them severely.",
        "People who use drugs deserve accurate safety information and dignity."
      ],
      "affected_parties": [
        "People who use drugs",
        "Families and friends",
        "Emergency and health workers"
      ]
    },
    "owners": {
      "steward": "Nobody lawfully owns it outside licensed research; drug control authorities regulate it.",
      "master_systems": [
        "National controlled substances schedules"
      ]
    },
    "failure_modes_and_hazards": [
      "Can cause overheating, dehydration and dangerous interactions with other substances.",
      "Products sold under its name may contain other substances of unknown strength.",
      "Possession and supply are criminal offences in many countries."
    ],
    "what_it_is_for": [
      "MBDB is encountered in forensic drug analysis, toxicology and research on psychoactive compounds.",
      "Material attributed to MBDB requires analytical confirmation because appearance and informal naming do not establish identity, purity or chemical form."
    ],
    "standards_and_regulation": [
      "Regulation (EC) No 1272/2008 on classification, labelling and packaging, adopted by the European Parliament and the Council of the European Union, applies to MBDB supplied as a chemical substance within its scope."
    ],
    "visual_identification": [
      "A white or off-white powder or crystalline appearance is compatible with some MBDB samples but cannot distinguish them from other substances.",
      "A specimen label identifying MBDB or its full chemical name distinguishes the stated identity from similarly named compounds but does not authenticate the contents."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q416405: N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine",
      "url": "https://www.wikidata.org/wiki/Q416405",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: MBDB",
      "url": "https://en.wikipedia.org/wiki/MBDB",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "mbdb-identity-and-boundaries",
        "name": "MBDB identity and boundaries",
        "description": "Establish what the registered name denotes and where related chemical identities diverge.",
        "rationale": "Similar names, homologues and material forms can otherwise be collapsed into an incorrect MBDB identity.",
        "layers": [
          {
            "id": "connectivity-and-names",
            "name": "Connectivity and names",
            "description": "Resolve the registered name to a molecular structure and traceable identifiers.",
            "findings": [
              {
                "id": "verified-mbdb-identity",
                "name": "Verified MBDB identity",
                "description": "The registered name is listed for MBDB in [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/MBDB); retain the structure comparison as evidence for the mapping.",
                "questions": [
                  {
                    "text": "Does the candidate structure have the specified ring substitution, butan-2-amine chain and nitrogen-bound methyl group?",
                    "kind": "definition",
                    "id": "verified-mbdb-identity-q01"
                  },
                  {
                    "text": "Which authoritative records support each name and identifier, and which precise chemical form does each identify?",
                    "kind": "provenance",
                    "id": "verified-mbdb-identity-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "stereochemical-and-form-boundaries",
            "name": "Stereochemical and form boundaries",
            "description": "Keep structural identity distinct from stereochemical composition and isolated material form.",
            "findings": [
              {
                "id": "parent-versus-characterized-form",
                "name": "Parent versus characterized form",
                "description": "Treat stereochemistry and salt composition as explicit qualifications of material attributed to MBDB.",
                "questions": [
                  {
                    "text": "Is the material a verified racemate, an enantiomerically characterized sample or stereochemically unspecified?",
                    "kind": "measurement",
                    "id": "parent-versus-characterized-form-q01"
                  },
                  {
                    "text": "Does the record describe neutral MBDB, a specified salt or an MBDB-containing mixture, and which properties belong only to that form?",
                    "kind": "boundary",
                    "id": "parent-versus-characterized-form-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "mbdb-analytical-confidence",
        "name": "MBDB analytical confidence",
        "description": "Establish whether a sample contains MBDB and whether its reported composition is defensible.",
        "rationale": "A label or screening response cannot establish connectivity, enantiomeric composition or quantitative purity.",
        "layers": [
          {
            "id": "identity-confirmation",
            "name": "Identity confirmation",
            "description": "Evaluate analytical discrimination against related substances and structural isomers.",
            "findings": [
              {
                "id": "discriminating-identification",
                "name": "Discriminating identification",
                "description": "Require method evidence appropriate to the identity claim, including additional discrimination when spectra or retention behavior are ambiguous.",
                "questions": [
                  {
                    "text": "Which validated observations distinguish MBDB from MDMA, BDB and plausible same-formula structural isomers in this sample?",
                    "kind": "measurement",
                    "id": "discriminating-identification-q01"
                  },
                  {
                    "text": "What reference material or reference data supported identification, and are its form, provenance and limitations documented?",
                    "kind": "provenance",
                    "id": "discriminating-identification-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "quantitative-composition",
            "name": "Quantitative composition",
            "description": "Describe MBDB content without conflating chromatographic response, total material mass and parent-equivalent mass.",
            "findings": [
              {
                "id": "assay-basis-and-interferences",
                "name": "Assay basis and interferences",
                "description": "Attach analytical method, reporting basis and uncertainty to purity and concentration claims.",
                "questions": [
                  {
                    "text": "Is the reported value an area percentage, calibrated mass fraction, salt concentration or free-base-equivalent concentration?",
                    "kind": "measurement",
                    "id": "assay-basis-and-interferences-q01"
                  },
                  {
                    "text": "Which related compounds, water, residual solvents or matrix components were measured, and which remain outside the method's coverage?",
                    "kind": "boundary",
                    "id": "assay-basis-and-interferences-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "mbdb-form-and-stability",
        "name": "MBDB form and stability",
        "description": "Relate observable material condition to form-specific physical properties and storage evidence.",
        "rationale": "Unqualified constants and storage claims can misrepresent a salt, solution or altered sample as the neutral parent.",
        "layers": [
          {
            "id": "conditional-physical-properties",
            "name": "Conditional physical properties",
            "description": "Record physical measurements together with chemical form and experimental conditions.",
            "findings": [
              {
                "id": "applicable-property-values",
                "name": "Applicable property values",
                "description": "Separate measured MBDB properties from predictions and values reported for other forms or compounds.",
                "questions": [
                  {
                    "text": "Which phase, melting or decomposition behavior, boiling point and solubility measurements exist for this exact MBDB form?",
                    "kind": "measurement",
                    "id": "applicable-property-values-q01"
                  },
                  {
                    "text": "What temperature, pressure, solvent, purity and measurement method qualify each reported value?",
                    "kind": "provenance",
                    "id": "applicable-property-values-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "storage-and-retest",
            "name": "Storage and retest",
            "description": "Evaluate whether storage history changes confidence in MBDB sample composition.",
            "findings": [
              {
                "id": "evidence-based-sample-validity",
                "name": "Evidence-based sample validity",
                "description": "Base retention or retesting decisions on stability evidence applicable to the sample's form and container.",
                "questions": [
                  {
                    "text": "What evidence establishes stability under the sample's recorded temperature, light, moisture and solvent conditions?",
                    "kind": "provenance",
                    "id": "evidence-based-sample-validity-q01"
                  },
                  {
                    "text": "Which observed changes or storage excursions require reassay, identity confirmation or withdrawal from the intended analytical use?",
                    "kind": "action",
                    "id": "evidence-based-sample-validity-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "mbdb-effects-and-hazards",
        "name": "MBDB effects and hazards",
        "description": "Represent biological and handling evidence while preserving uncertainty about relevance to humans and particular material forms.",
        "rationale": "Structural similarity to another compound does not establish MBDB-specific potency, toxicity or safe exposure.",
        "layers": [
          {
            "id": "biological-evidence",
            "name": "Biological evidence",
            "description": "Qualify biological claims by endpoint, test system and studied chemical identity.",
            "findings": [
              {
                "id": "endpoint-specific-effect-evidence",
                "name": "Endpoint-specific effect evidence",
                "description": "Distinguish direct MBDB observations from analogue-based inference and separate parent-compound evidence from metabolite evidence.",
                "questions": [
                  {
                    "text": "Which biological effects have been measured directly for MBDB, in what test system and with what stereochemical composition?",
                    "kind": "provenance",
                    "id": "endpoint-specific-effect-evidence-q01"
                  },
                  {
                    "text": "Which conclusions concern MBDB itself, and which concern metabolites, related compounds or mixtures?",
                    "kind": "boundary",
                    "id": "endpoint-specific-effect-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "handling-hazard-basis",
            "name": "Handling hazard basis",
            "description": "Determine which documented hazards apply to the material under consideration.",
            "findings": [
              {
                "id": "supported-handling-constraints",
                "name": "Supported handling constraints",
                "description": "Keep missing toxicity data distinct from negative findings and distinguish MBDB hazards from solvent or mixture hazards.",
                "questions": [
                  {
                    "text": "Which GHS classifications, exposure limits or toxicological endpoints are supported for the exact material, and which are unestablished?",
                    "kind": "provenance",
                    "id": "supported-handling-constraints-q01"
                  },
                  {
                    "text": "Which containment, storage and waste-handling requirements follow from the applicable safety documentation and intended laboratory activity?",
                    "kind": "action",
                    "id": "supported-handling-constraints-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "mbdb-regulatory-identity-and-custody",
        "name": "MBDB regulatory identity and custody",
        "description": "Connect the characterized substance to current activity-specific restrictions and accountable custody.",
        "rationale": "Legal treatment may depend on the exact structure, form, jurisdiction and activity rather than the presence of the abbreviation MBDB.",
        "layers": [
          {
            "id": "jurisdictional-coverage",
            "name": "Jurisdictional coverage",
            "description": "Determine legal coverage from current primary authority rather than historical summaries or chemical similarity alone.",
            "findings": [
              {
                "id": "dated-legal-determination",
                "name": "Dated legal determination",
                "description": "Record the authority, effective date and structural scope of any applicable restriction without asserting a universal status.",
                "questions": [
                  {
                    "text": "Which current legal text explicitly or generically covers this MBDB identity in the relevant jurisdiction?",
                    "kind": "provenance",
                    "id": "dated-legal-determination-q01"
                  },
                  {
                    "text": "Does that coverage include salts, stereoisomers and mixtures, and how does it apply to the proposed activity?",
                    "kind": "boundary",
                    "id": "dated-legal-determination-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "authorized-material-custody",
            "name": "Authorized material custody",
            "description": "Connect acquisition, transfer and disposition decisions to the identified MBDB material.",
            "findings": [
              {
                "id": "traceable-authorized-disposition",
                "name": "Traceable authorized disposition",
                "description": "Link sample identity and quantity to custody evidence and any applicable permissions.",
                "questions": [
                  {
                    "text": "What supplier, lot, analytical certificate and custody records connect the held material to its MBDB identity and assay?",
                    "kind": "provenance",
                    "id": "traceable-authorized-disposition-q01"
                  },
                  {
                    "text": "Which verified permissions and records are required before this material can be acquired, transferred, analyzed or disposed of?",
                    "kind": "action",
                    "id": "traceable-authorized-disposition-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-confidence-notes",
                "name": "Check these first",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "This is recall-based information; no sources were consulted.",
                  "Verify registry identifiers, salt identity, stereochemical composition, purity, and physical constants before attaching substance records.",
                  "Verify jurisdiction-specific legal status and MBDB-specific toxicological evidence; quantitative risks should not be assumed identical to those of MDMA."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-kinds",
                "name": "Kinds and varieties",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Racemic MBDB",
                  "(R)-MBDB",
                  "(S)-MBDB",
                  "MBDB free base",
                  "MBDB hydrochloride"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "scheme": "Common chemical abbreviation",
                    "value_or_pattern": "MBDB",
                    "note": "Widely used abbreviation for the named compound."
                  },
                  {
                    "scheme": "Systematic chemical nomenclature",
                    "value_or_pattern": "1-(1,3-benzodioxol-5-yl)-N-methylbutan-2-amine",
                    "note": "Specifies connectivity without assigning the configuration of the stereogenic carbon."
                  },
                  {
                    "scheme": "Molecular formula",
                    "value_or_pattern": "C12H17NO2",
                    "note": "Neutral free-base formula; not a unique structural identifier and not the formula of its hydrochloride salt."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Research on the pharmacology of entactogenic psychoactive substances.",
                  "Recreational use as an entactogen.",
                  "Forensic identification in seized substances and toxicological samples."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "quantity": "Molar mass of the neutral free base",
                    "typical_range": "207.27",
                    "unit": "g/mol"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Psychoactive intoxication can impair judgment and safe operation of vehicles or machinery.",
                  "Serotonergic activity raises concern for serotonin toxicity, particularly in combinations with other serotonergic substances.",
                  "Illicit preparations may have uncertain identity, concentration, or adulterants."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "name": "MDMA",
                    "difference": "MDMA has an alpha-methyl substituent; MBDB has an alpha-ethyl substituent."
                  },
                  {
                    "name": "BDB",
                    "difference": "BDB is the corresponding primary amine; MBDB carries an additional methyl group on nitrogen."
                  },
                  {
                    "name": "MDEA",
                    "difference": "MDEA has an N-ethyl group and an alpha-methyl group; MBDB has an N-methyl group and an alpha-ethyl group, making them constitutional isomers."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of N-methyl-1-(3,4-methylenedioxyphenyl)-2-butanamine this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which CAS and EC identifiers are authoritative for the stereochemically unspecified parent, racemate, individual enantiomers and relevant salts?",
    "Which reliable measured physical constants and stability data exist for each MBDB form, and which commonly repeated values are predictions or form-mismatched?",
    "Which validated analytical methods distinguish MBDB from relevant isomers and quantify its enantiomeric composition in the intended matrices?",
    "What MBDB-specific human toxicity, chronic-effect, GHS and occupational exposure evidence is established, and where are the evidence gaps?",
    "Which current jurisdiction-specific restrictions apply to the exact MBDB form and intended activities?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 17,
    "questions": 27
  }
}
