6708-06-1

Cyclo(Pro-Pro-) L-Proline Anhydride Cyclo(L-Pro-L-Pro-) Vildagliptin Impurity 60 Vildagliptin Impurity 23 Vildagliptin impurities12 Vildagliptin Dipyrrolidine Impurity 1,7-diazatricyclo[7.3.0.03,7]dodecane-2,8-dione Octahydro-5H,10H-Dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione 5H,10H-Dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione, octahydro- (5aS,10aS)-Octahydro-5H,10H-dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione (5aS,10aS)-Hexahydro-1H,5H-dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10(10aH)-dione 1,2,3,5aβ,6,7,8,10aβ-Octahydro-5H,10H-dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione (5aS)-2,3,5aβ,6,7,8-Hexahydro-1H,5H-dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10(10aβH)-dione (5aS)-2,3,5aβ,6,7,8-Hexahydro-1H,5H-dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10(10aβH)-dione Vildagliptin Impurity 17/Vildagliptin Dipyrrolidine Impurity/octahydro-5H,10H-dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione