{"id":"S88004640","label":"Urethane","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh88004640","normalized_label":"urethane","broader":["http://id.loc.gov/authorities/subjects/sh85141385"],"aliases":["Carbamate, Ethyl","Carbamic acid ethyl ester","Ethyl carbamate","Ethyl urethan","Ethyl urethane","Ethylurethane","Urane","Urethan","Urethane, Ethyl"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh88004640","provider":"lcsh","revision":"af0b7b4ec33a82d2","taxonomy_revision":"f050b5d4780b1289","title":"Urethane","url":"/topics/S88004640","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14142499390723588608","address_version":"morton4x16-v1","coordinates":[0,20,64352,32768],"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}