{"id":"S96001292","label":"Carbonyl halides","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh96001292","normalized_label":"carbonyl halides","broader":["http://id.loc.gov/authorities/subjects/sh2003011499","http://id.loc.gov/authorities/subjects/sh85020143"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh96001292","provider":"lcsh","revision":"56ac58d6d2b106e3","taxonomy_revision":"f050b5d4780b1289","title":"Carbonyl halides","url":"/topics/S96001292","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4956211682050704928","address_version":"morton4x16-v1","coordinates":[0,22,58228,12288],"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}