英文别名(R)-3-Amino-N-((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)-4-(2,4,5-trifluorophenyl)butanamide; Sitagliptin Impurity 14; (3R)-3-Amino-N-[(2R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)-2-butanyl]-4-(2,4,5-trifluorophenyl)butanamide; Sitagliptin dimer; 3-Amino-4-(2,4,5-trifluorophenyl)butanylSitagliptin; 3-Amino-4-(2,4,5-trifluorophenyl)butanyl sitagliptin; Sitagliptin Dimer Impurity; Sitagliptin impurity 24; Sitagliptin Impurity 18 HCl; Sitagliptin EDA Dimer Impurity 
