Chemical Name: (3S,5aS,9aS,10aS)-3-methyldecahydropyrazino[1,2-a]indole-1,4-dione (as per EP)
Synonym: Perindopril USP Related Compound K
Smiles: O=C1N[C@@H](C)C(N2[C@@]1([H])C[C@]3([H])CCCC[C@]23[H])=O
Inchi: InChI=1S/C12H20N2O3/c1-7(13)11(15)14-9-5-3-2-4-8(9)6-10(14)12(16)17/h7-10H,2-6,13H2,1H3,(H,16,17)/t7-,8-,9-,10-/m0/s1