Perindopril EP Impurity C

(2S)-2-[(3S,5aS,9aS,10aS)-3-Methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl]pentanoic acid|(aS,3S,5aS,9aS,10aS)-Decahydro-3-methyl-1,4-dioxo-a-propylpyrazino[1,2-a]indole-2(1H)-acetic Acid|[3S-[2(R*),3a,5aß,9aß,10aß]]-Decahydro-3-methyl-1,4-dioxo-a- propylpyrazino[1,2-a]indole-2(1H)-acetic Acid|10aS-Perindoprilat Diketopiperazine;|Perindopril|Perindopril (10aS)-Dione Acid|Perindoprilat Lactam A|Perindoprilat Lactam A ; Perindopril (10aS)-Dione Acid ; (2S)-2-[(3S,5aS,9aS,10aS)-3-Methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl]pentanoic acid ;|S)-2-((3S,5aS,9aS,10aS)-3-methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl)pentanoic acid;|USP Related Compound C