| 英文同義詞: | (R)-Ethyl 2,4,5-trifluoro-b-homophenylalaninateHCl;Sitagliptin Impurity 12;Sitagliptin Impurity 97;Benzenebutanoic acid, β-amino-2,4,5-trifluoro-, ethyl ester, (βR)-;Sitagliptin Impurity 14 Hydrochloride;(R)-Ethyl 2,4,5-trifluoro-b-homophenylalaninatehydrochloride;(R)-Ethyl 3-amino-4-(2,4,5-trifluorophenyl)butanoate (Sitagliptin Impuruity);ethyl (3R)-3-amino-4-(2,4,5-trifluorophenyl)butanoate |