英文别名Ethyl 5-benzyl-4,6-dioxo-1H,3aH,6aH-pyrrolo[3,4-c]pyrazole-3-carboxylate; ethyl 5-benzyl-4,6-dioxo-1,3a,4,5,6,6a-hexahydropyrrolo[3,4-c]pyrazole-3-carboxylate; Pyrrolo[3,4-c]pyrazole-3-carboxylic acid, 1,3a,4,5,6,6a-hexahydro-4,6-dioxo-5-(phenylmethyl)-, ethyl ester; ethyl 5-benzyl-4,6-dioxo-3a,6a-dihydro-1H-pyrrolo[3,4-c]pyrazole-3-carboxylate 
