{"id":"S2007001661","label":"Heterochain polymers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007001661","normalized_label":"heterochain polymers","broader":["http://id.loc.gov/authorities/subjects/sh85104660"],"aliases":["Heteroatomic polymers","Heteropolymers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007001661","provider":"lcsh","revision":"9ac5cceee8ac0ece","taxonomy_revision":"f050b5d4780b1289","title":"Heterochain polymers","url":"/topics/S2007001661","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14449808227929580064","address_version":"morton4x16-v1","coordinates":[0,478,33192,62464],"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}