{"id":"S2003001074","label":"Femtochemistry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003001074","normalized_label":"femtochemistry","broader":["http://id.loc.gov/authorities/subjects/sh89006042"],"aliases":["Femtosecond photochemistry"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003001074","provider":"lcsh","revision":"7b4099256f3e3e46","taxonomy_revision":"f050b5d4780b1289","title":"Femtochemistry","url":"/topics/S2003001074","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14411734338276581958","address_version":"morton4x16-v1","coordinates":[0,477,36219,51200],"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}