{"id":"S85045044","label":"Etard's reaction","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85045044","normalized_label":"etard's reaction","broader":["http://id.loc.gov/authorities/subjects/sh85023022"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85045044","provider":"lcsh","revision":"9fcd6d13e4fd0536","taxonomy_revision":"f050b5d4780b1289","title":"Etard's reaction","url":"/topics/S85045044","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090319639126361600","address_version":"morton4x16-v1","coordinates":[0,20,18108,53248],"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}