3-Amino-1-[3-(trifluoromethyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl]-4-(2,4,5-trifluorophenyl)butan-1-one

3-amino-1- [3- (trifluoromethyl) -5,6,7,8-tetrahydro-1,2,4-triazolo [4,3-a] pyrazin-7-yl] -4- (2,4,5-trifluorophenyl) butan-1 ; 7-[3-amino-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine ; 7-[1-oxo-3-amino-4-(2,4,5-trifluorophenyl)butyl]-3-(trifluoromethyl)-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine ; rac-sitagliptin ; 3-amino-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8h)-yl]-4-(2,4,5-trifluorophenyl)-1-butanone ; 1-butanone,3-amino-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8h)-yl]-4-(2,4,5-trifluorophenyl)- ; 7-[3-amino-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazine ; rac-sitagliptinsee: s491000 ; 3-amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8h)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one ; 1,2,4-triazolo[4,3-a]pyrazine,7-[3-amino-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-(9ci)