{"schemaVersion":"1.0","generatedAt":"2026-09-22","licence":{"status":"not-yet-granted","spdx":null,"statement":"No licence has yet been granted for SmellBook-created datasets. They are publicly readable; reuse beyond citation and quotation needs permission until a licence is published."},"node":{"entityType":"molecule","urn":"smellbook:molecule:butyrolactone","key":"butyrolactone","label":"butyrolactone","description":"butyrolactone: a molecule named in SmellBook's VERIFIED evidence for smells in the Atlas.","pubchemCid":7302,"inchikey":"YEJRWHAVMIAJKC-UHFFFAOYSA-N","formula":"C4H6O2","wikidata":"Q79739","chebi":"42639","canonicalUrl":"https://smellbook.com/molecules/butyrolactone","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"reported-in","label":"reported in","entity":"smellbook:smell:brown-sugar","entityLabel":"Brown Sugar","record":"/data/graph/smell/brown-sugar.json","provenance":[{"basis":"claim-named-molecule","field":"verifiedClaims[CLM-BROWNSUGAR-002].text","claim":"smellbook:claim:aroma-active-compounds-linked-to-sweetness-in-brown-sugar","role":"odour-linked","evidenceClass":"scientific"}]}],"incoming":[],"corrections":[],"citation":"SmellBook. (2026). butyrolactone (molecule). SmellBook knowledge graph, dataset release of 2026-10-06. smellbook:molecule:butyrolactone. https://smellbook.com/molecules/butyrolactone","boundary":"Edges are typed and unweighted; none is a similarity, recommendation or personalization score. Browser-local Personal SmellBook data is never part of this export."}