英文同义词
(R)-b-Amino-2,4,5-trifluoro-benzenebutanoic acid HCl;Sitagliptin Impurity 17;Sitagliptin Acid Impurity HCl;Sitagliptin-2;Sitagliptin impurity 37/(R)-3-Amino-4-(2,4,5-trifluorophenyl)butyric acid hydrochloride;(3R)-3-amino-4-(2,4,5-trifluorophenyl)butanoic acid,hydrochloride;(R)-3-amino-4-phenyl(2,4,5-trifluorophenyl)butanoic acid hydrochloride;(3R)-3-amino -4-(2, 4-difluorophenyl)-1-[3-(trifluoromethyl)butyl]-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]butan-1-one