121638-63-9 4-((2,5-Dimethylpyrrol-1-yl)amino)-8,9-dimethoxy-11H-pyridazino(4,5-b)indole 5H-Pyridazino(4,5-b)indol-4-amine, 7,8-dimethoxy-N-(2,5-dimethyl-1H-pyrrol-1-yl)- 7,8-Dimethoxy-N-(2,5-dimethyl-1H-pyrrol-1-yl)-5H-pyridazino(4,5-b)indol-4-amine BRN 5999102