Synonyms: Benzamide, N,N'-(5,6,12,17,18,24-hexahydro-5,12,17,24-tetraoxodinaphth(2,3-i:2',3'-i')indeno(4,3-ab:2,1-c')dicarbazole-11,23-diyl)bis-;N,N'-(5,6,12,17,18,24-Hexahydro-5,12,17,24-tetraoxodinaphth(2,3-i:2',3'-i')indeno(7,1-ab:2,3-c')dicarbazole-11,23-diyl)bisbenzamide;N,N'-(5,6,12,17,18,24-Hexahydro-5,12,17,24-tetraoxodinaphth(2,3-i:2',3'-i')indeno(4,3-ab:2,1-c')dicarbazole-11,23-diyl)bis(benzamide)