{"id":"S2022006738","label":"Heptazine--Derivatives","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2022006738","normalized_label":"heptazine--derivatives","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2022006738","provider":"lcsh","revision":"159e32a9e81990f0","taxonomy_revision":"f050b5d4780b1289","title":"Heptazine--Derivatives","url":"/topics/S2022006738","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"577731814159041636","address_version":"morton4x16-v1","coordinates":[0,482,5503,18432],"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}