Synonyms: | (3S-trans)-3-benzylhexahydropyrrolo[1,2-a]pyrazine-1,4-dione;(3S,8aS)-3-Benzyl-6,7,8,8aα-tetrahydropyrrolo[1,2-a]pyrazine-1,4(2H,3H)-dione;(3S,8aS)-3β-Benzyl-6,7,8,8a-tetrahydropyrrolo[1,2-a]pyrazine-1,4(2H,3H)-dione;(3S,8aα)-3β-Benzyloctahydropyrrolo[1,2-a]pyrazine-1,4-dione;Cyclo(L-Phe-L-Pro-);Cyclo(Pro-Phe-);(3S)-2,3,6,7,8,8aβ-Hexahydro-3β-(phenylmethyl)pyrrolo[1,2-a]pyrazine-1,4-dione;Cyclo(D-Pro-L-Phe-) |