{"id":"S85107650","label":"Protective groups (Chemistry)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85107650","normalized_label":"protective groups (chemistry)","broader":["http://id.loc.gov/authorities/subjects/sh85110378"],"aliases":["Blocking groups (Chemistry)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85107650","provider":"lcsh","revision":"2f9c44587e270807","taxonomy_revision":"f050b5d4780b1289","title":"Protective groups (Chemistry)","url":"/topics/S85107650","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288441758336042564","address_version":"morton4x16-v1","coordinates":[0,20,19087,2048],"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}