{"id":"S85049431","label":"Fluorine compounds","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85049431","normalized_label":"fluorine compounds","broader":["http://id.loc.gov/authorities/subjects/sh90006057"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85049431","provider":"lcsh","revision":"70e905a8c15011aa","taxonomy_revision":"f050b5d4780b1289","title":"Fluorine compounds","url":"/topics/S85049431","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867097151954616836","address_version":"morton4x16-v1","coordinates":[0,20,18177,23552],"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}