{"id":"S95000936","label":"Polybutenes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh95000936","normalized_label":"polybutenes","broader":["http://id.loc.gov/authorities/subjects/sh85018358","http://id.loc.gov/authorities/subjects/sh85104705"],"aliases":["Polybutylenes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh95000936","provider":"lcsh","revision":"8a5d979af0f88a40","taxonomy_revision":"f050b5d4780b1289","title":"Polybutenes","url":"/topics/S95000936","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13889105923806463524","address_version":"morton4x16-v1","coordinates":[0,22,42597,40960],"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}