Sub Group: Various Metabolites and Impurities Formula: C12H9F3N2O2 CAS Number: 108605-62-5 Molecular Weight: 270.21 Synonyms: N-(4-Trifluoromethylphenyl)-2-cyano-3-hydroxycrotonamide, 2-Cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]-2-beuteamide, LEF-M