{"id":"S87000501","label":"Naphthenic acids","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh87000501","normalized_label":"naphthenic acids","broader":["http://id.loc.gov/authorities/subjects/sh85000537"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh87000501","provider":"lcsh","revision":"fdd2c54678582601","taxonomy_revision":"f050b5d4780b1289","title":"Naphthenic acids","url":"/topics/S87000501","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14432994743577609792","address_version":"morton4x16-v1","coordinates":[0,20,48662,54272],"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}