Synonyms: Pyrrolo[3,4-c]pyrrole,benzonitrile deriv.;1,4-Diketo-3,6-di(3-cyanophenyl)pyrrolo(3,4-c)pyrrole;3,6-Bis(3-cyanophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione;C.I. 561200;C.I. Pigment Orange 71;Cromophtal DPP Orange TR;Cromophtal DPP Orange TRP;DPP Orange TR;DPP Orange TRP;PO 71;Pigment Orange 71;