3,4-bis(1H-indol-3-yl)-1H-pyrrole-2,5-dicarboxylic acid

12-benzyl-5-[N-(2,6-dimethylbenzyl)aminomethyl]-11,12-dihydroindolo[2,3-a]carbazole

Pyrrolo[3,4-c]carbazol-1(2H)-one, 3,6-dihydro-4-(2-nitrophenyl)-