{"id":"S2025001767","label":"Hydroalkylation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2025001767","normalized_label":"hydroalkylation","broader":["http://id.loc.gov/authorities/subjects/sh85003606"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2025001767","provider":"lcsh","revision":"422e9d5cc4fffd7f","taxonomy_revision":"f050b5d4780b1289","title":"Hydroalkylation","url":"/topics/S2025001767","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14125764540849210400","address_version":"morton4x16-v1","coordinates":[0,482,52300,39936],"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}