別名
5-(tert-Butyl) 1-ethyl 3-amino-4,6-dihydropyrrolo[3,4-c]pyrazole-1,5-dicarboxylate / Ethyl 5-(tert-butoxycarbonyl)-3-amino-4,6-dihydropyrrolo[3,4-c]pyrazole-1-carboxylate / 5-(tert-butyl) 1-ethyl 3-imino-2,3,4,6-tetrahydropyrrolo[3,4-c]pyrazole-1,5-dicarboxylate