126310-27-8

(2S)-2-{5,7-dioxo-5H,6H,7H-pyrrolo[3,4-b]pyrazin-6-yl}propanoic acid 2-(5,7-dioxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyrazin-6-yl)propanoic acid (S)-2-(5,7-Dioxo-5,7-dihydro-6h-pyrrolo[3,4-b]pyrazin-6-yl)propanoic acid 6H-Pyrrolo[3,4-b]pyrazine-6-acetic acid, 5,7-dihydro-α-methyl-5,7-dioxo-, (S)- (9CI)