1-((3-(Dimethylamino)propyl)amino)-5,11-dimethyl-9-methoxy-6H-pyrido(4,3-b)carbazole ethanol 6H-Pyrido(4,3-b)carbazole, 5,11-dimethyl-1-((3-(dimethylamino)propyl)amino)-9-methoxy-, ethanol 74861-74-8