73747-24-7 Benzenebutanoic acid, 4-[(trifluoroacetyl)amino]-, methyl ester Butyric acid, 4-(p-trifluoroacetamidophenyl)-, methyl ester Methyl 4-(p-trifluoroacetamidophenyl)butyrate NSC82828 WLN: FXFFVMR D3VO1