3,3-Dimethyl 4,6-dioxo-5-phenyl-hexahydro-2H-pyrrolo[3,4-d][1,2]oxazole-3,3-dicarboxylate 1g

3,3-Dimethyl 4,6-dioxo-5-phenyl-hexahydro-2H-pyrrolo[3,4-d][1,2]oxazole-3,3-dicarboxylate 1g