Synonyms: [3S-[2(R*),3a,5ab,8ab,9ab]]-Decahydro-3-methyl-1,4-dioxo-a-(2-phenylethyl)-2H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazine-2-acetic Acid;Ramiprilat Diketopiperazine;[3S-[2(R*),3a,5a,8a,9a]]-Decahydro-3-methyl-1,4-dioxo-a-(2-phenylethyl)-2H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazine-2-acetic Acid