1253056-18-6

Impurity FP-D Sitagliptin iMpurity S Sitagliptin Impurity 01 Sitagliptin FP Impurity D Sitagliptin Impurity FP-D Sitagliptin EP Impurity 13 Sitagliptin EP Impurity FP-D Sitagliptin DeaMino IMpurity 1 3-Desamino-2,3-dehydro Sitagliptin Sitagliptin phenyl crotonyl analog Sitagliptin USPPhenylcrotonyl Analog (E)-1-(3-(trifluoromethyl)-5,6-dihydro (2E)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one (E)-1-(3-(trifluoroMethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one 2-Buten-1-one, 1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-, (2E)- (E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one (Sitagliptin Impurity) Sitagliptin impurity 8/Sitagliptin FP Impurity D/3-Desamino-2,3-Dehydro Sitagliptin/(2E)-1-[3-(Trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)but-2-en-1-one