英文同义词
(R)-methyl 3-acetamido-4-(2,4,5-trifluorophenyl)butanoate;Methyl (R)-3-acetamido-4-(2,4,5-trifluorophenyl)butanoate;methyl (3R)-3-acetamido-4-(2,4,5-trifluorophenyl)butanoate;Benzenebutanoic acid, β-(acetylamino)-2,4,5-trifluoro-, methyl ester, (βR)-;Sitagliptin Impurity 117