| Synonyms: | CYCLO(-PRO-VAL);(3S,8aS)-3-Isopropyl-6,7,8,8aα-tetrahydropyrrolo[1,2-a]pyrazine-1,4(2H,3H)-dione;(3S,8aS)-3β-Isopropyl-6,7,8,8a-tetrahydropyrrolo[1,2-a]pyrazine-1,4(2H,3H)-dione;(3S,8aS)-Octahydro-3-(1-methylethyl)pyrrolo[1,2-a]pyrazine-1,4-dione;(3S,8aα)-3β-Isopropyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione;Cyclo(L-Pro-L-Val-);Cyclo(L-Val-L-Pro-);Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-3-(1-methylethyl)-, (3S,8aS)- |