{"id":"S2023001332","label":"Polyethylenimine","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2023001332","normalized_label":"polyethylenimine","broader":["http://id.loc.gov/authorities/subjects/sh85104660"],"aliases":["PEI (Polyethylenimine)","Polyaziridine","Polyethyleneimine"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2023001332","provider":"lcsh","revision":"5aeb2284d223f95e","taxonomy_revision":"f050b5d4780b1289","title":"Polyethylenimine","url":"/topics/S2023001332","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10091441149075259492","address_version":"morton4x16-v1","coordinates":[0,482,21043,53248],"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}