1251003-99-2

cis-4,6-Dioxohexahydro-pyrrolo[3,4-c]pyrrole-2-carboxylic acidtert-butyl ester tert-butyl cis-1,3-dioxo-3a,4,6,6a-tetrahydropyrrolo[3,4-c]pyrrole-5-carboxylate (3aR,6aS)-rel-tert-Butyl 4,6-dioxohexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate tert-butyl (3aS,6aR)-1,3-dioxo-3a,4,6,6a-tetrahydropyrrolo[3,4-c]pyrrole-5-carboxylate tert-butyl (3aR,6aS)-1,3-dioxo-3a,4,6,6a-tetrahydropyrrolo[3,4-c]pyrrole-5-carboxylate RaceMic cis-4,6-dioxo- hexahydro-pyrrolo[3,4-c]pyrrole-2-carboxylic acid tert-butyl ester Pyrrolo[3,4-c]pyrrole-2(1H)-carboxylic acid, hexahydro-4,6-dioxo-, 1,1-dimethylethyl ester, (3aR,6aS)-rel-