{"id":"S85105022","label":"Porphyrins","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85105022","normalized_label":"porphyrins","broader":["http://id.loc.gov/authorities/subjects/sh85102094","http://id.loc.gov/authorities/subjects/sh92002788"],"aliases":["Porphyrin and porphyrin compounds"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85105022","provider":"lcsh","revision":"bccc29a1c5e2e70e","taxonomy_revision":"f050b5d4780b1289","title":"Porphyrins","url":"/topics/S85105022","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126555143324435972","address_version":"morton4x16-v1","coordinates":[0,20,19045,63488],"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}