1675201-14-5

Sitagliptin-4 Impurity FP-C Sitagliptin IMpurity Sitagliptin Impurity FP-C (E)-1-(3-(trifluoromethyl) Sitagliptin Styrylacetyl Analog 3-Desamino-3,4-dehydro Sitagliptin Sitagliptin Styrylacetyl Analog Impurity Sitagliptin Impurity 68(Mixture of Z and E Isomers) (R)-2-((tert-butoxycarbonyl)amino)-3-(2,4,5-trifluorophenyl)propyl 4-methylbenzenesulfonate 1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-3-buten-1-one 3-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)- Sitagliptin impurity 38/(E)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a] pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one