{"id":"S85069226","label":"Jacobsen reaction","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85069226","normalized_label":"jacobsen reaction","broader":["http://id.loc.gov/authorities/subjects/sh85022952"],"aliases":["Jacobsen rearrangement"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85069226","provider":"lcsh","revision":"aa5177941ef5e9f8","taxonomy_revision":"f050b5d4780b1289","title":"Jacobsen reaction","url":"/topics/S85069226","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547842316262573632","address_version":"morton4x16-v1","coordinates":[0,20,18486,43008],"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}