| Synonyms: | cis-cyclo(Pro-Pro);(5aS,10aS)-1,2,3,5a,6,7,8,10a-octahydrodipyrrolo[1,2-c:1',2'-f]pyrazine-5,10-dione;Vildagliptin Impurity 41;5H,10H-Dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione, octahydro-, (5aS,10aS)-;(5aS,10aS)-octahydrodipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione |
