{"id":"S85063425","label":"Hydrogen fluoride","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85063425","normalized_label":"hydrogen fluoride","broader":["http://id.loc.gov/authorities/subjects/sh85049419"],"aliases":["Anhydrous hydrofluoric acid","Hydrofluoride"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85063425","provider":"lcsh","revision":"be84860f40c4d935","taxonomy_revision":"f050b5d4780b1289","title":"Hydrogen fluoride","url":"/topics/S85063425","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288243863490283008","address_version":"morton4x16-v1","coordinates":[0,20,18396,1024],"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}