27483-18-7

Cyclo(D-Val-L-Pro) Cyclo-(S-Pro-R-Val) Cyclo(L-prolyl-D-valyl) Cyclo(D-valyl-L-prolyl) Cyclo(L-prolyl-D-valine) D-Valyl-L-proline diketopiperazine (3R,8aS)-Octahydro-3-(1-methylethyl)pyrrolo[1,2-a]pyrazine-1,4-dione (3R,8aS)-Hexahydro-3-(1-methylethyl)pyrrolo[1,2-a]pyrazine-1,4-dione Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-3-(1-methylethyl)-, (3R,8aS)-