9-ethyl-6-pyrrol-1-ylcarbazole-3,5-diamine

dihydro-1,2-ethyl-9-isocyanato-12-oxo-2-pyrrolo<1',2':1,2>pyrazino<6,5-c>carbazole

amino-12-dihydro-1,2-ethyl-9-oxo-2-pyrrolo<1',2':1,2>pyrazino<6,5-c>carbazole

NSC340564

NSC340563