英文别名Vildagliptin Lactam; Vildagliptin Related Compound F; Vildagliptin Imp.F; vildagliptin Impurity F; Vildagliptin di-keto imp; Vildagliptin Impurity 1; Vildagliptin Diketo Impurity; 2-((1r,3s,5R,7S)-3-hydroxyadamantan-1-yl)hexahydropyrrolo[1,2-a]pyrazine-1,4-dione; Vigliptin impurity F; Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-2-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)-; Hexahydro-2-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)pyrrolo[1,2-a]pyrazine-1,4-dione; 2-(3-Hydroxyadamantan-1-yl)-6,7,8,8a-tetrahydro-3H-pyrrolo[1,2-a]pyrazine-1,4-dione 
