84852-28-8 EINECS 284-339-1 N,N',N''-(5,10,15,16,17,18,19,24-Octahydro-5,10,15,17,19,24-hexaoxodinaphtho(2,3-i:2',3'-i')benzo(1,2-a:5,4-a')dicarbazole-4,11,23-triyl)tris(benzamide)