{"id":"S85095558","label":"Organomagnesium compounds","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85095558","normalized_label":"organomagnesium compounds","broader":["http://id.loc.gov/authorities/subjects/sh85095561","http://id.loc.gov/authorities/subjects/sh90000932"],"aliases":["Magnesium organic compounds"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85095558","provider":"lcsh","revision":"cb99b7decf5c9344","taxonomy_revision":"f050b5d4780b1289","title":"Organomagnesium compounds","url":"/topics/S85095558","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290693300519043648","address_version":"morton4x16-v1","coordinates":[0,20,18898,6144],"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}