{"id":"S2002005321","label":"Pyrene (Chemical)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2002005321","normalized_label":"pyrene (chemical)","broader":["http://id.loc.gov/authorities/subjects/sh85104606"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002005321","provider":"lcsh","revision":"dc95c3a9c80cb2ad","taxonomy_revision":"f050b5d4780b1289","title":"Pyrene (Chemical)","url":"/topics/S2002005321","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"325393879409239558","address_version":"morton4x16-v1","coordinates":[0,477,20661,9216],"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}