{"id":"S00000075","label":"Ethyl acetoacetate","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh00000075","normalized_label":"ethyl acetoacetate","broader":["http://id.loc.gov/authorities/subjects/sh85000457"],"aliases":["Acetoacetic ester","Ethyl acetylacetate","Ethyl beta-ketobutyrate","Ethyl oxobutanoate"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh00000075","provider":"lcsh","revision":"d8cb46144c6a01bc","taxonomy_revision":"f050b5d4780b1289","title":"Ethyl acetoacetate","url":"/topics/S00000075","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"36178330600341508","address_version":"morton4x16-v1","coordinates":[0,0,1,11264],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}