97337-97-8 Benzamide, N,N'-(5,12,17,18,23,24-hexahydro-5,12,17,24-tetraoxodinaphth(2,3-i:2',3'-i')indeno(7,1-ab:3,2-b')dicarbazole-6,11-diyl)bis- EINECS 306-591-4 N,N'-(5,12,17,18,23,24-Hexahydro-5,12,17,24-tetraoxodinaphth(2,3-i:2',3'-i')indeno(7,1-ab:3,2-b')dicarbazole-6,11-diyl)bis(benzamide)