{"id":"S89002793","label":"Cupferron","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh89002793","normalized_label":"cupferron","broader":["http://id.loc.gov/authorities/subjects/sh85004551","http://id.loc.gov/authorities/subjects/sh85022957"],"aliases":["Ammonium nitrosobetaphenylhydroxylamine","Copperon","Hydroxynitrosobenzenamine ammonium salt"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh89002793","provider":"lcsh","revision":"17cb3ea49ea188e2","taxonomy_revision":"f050b5d4780b1289","title":"Cupferron","url":"/topics/S89002793","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9278620297194522114","address_version":"morton4x16-v1","coordinates":[0,21,14412,41984],"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}