{"id":"S86006132","label":"Phase-transfer catalysts","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86006132","normalized_label":"phase-transfer catalysts","broader":["http://id.loc.gov/authorities/subjects/sh85020940"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86006132","provider":"lcsh","revision":"d891d425a4b9e495","taxonomy_revision":"f050b5d4780b1289","title":"Phase-transfer catalysts","url":"/topics/S86006132","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14413770624650577412","address_version":"morton4x16-v1","coordinates":[0,20,33125,53248],"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}