{"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:2-butanone","key":"2-butanone","label":"2-butanone","description":"2-butanone: a molecule named in SmellBook's VERIFIED evidence for smells in the Atlas.","pubchemCid":6569,"inchikey":"ZWEHNKRNPOVVGH-UHFFFAOYSA-N","formula":"C4H8O","wikidata":"Q372291","chebi":"28398","canonicalUrl":"https://smellbook.com/molecules/2-butanone","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"reported-in","label":"reported in","entity":"smellbook:smell:yogurt","entityLabel":"Yogurt","record":"/data/graph/smell/yogurt.json","provenance":[{"basis":"claim-named-molecule","field":"verifiedClaims[CLM-YOGURT-001].text","claim":"smellbook:claim:compounds-that-shape-yogurt-aroma","role":"key-odorant","evidenceClass":"scientific"}]}],"incoming":[],"corrections":[],"citation":"SmellBook. (2026). 2-butanone (molecule). SmellBook knowledge graph, Strategy Phase 389. smellbook:molecule:2-butanone. https://smellbook.com/molecules/2-butanone","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."}