121638-67-3 4-(3,5-Dimethylpyrazol-1-yl)-8,9-dimethoxy-11H-pyridazino(4,5-b)indole 5H-Pyridazino(4,5-b)indole, 7,8-dimethoxy-4-(3,5-dimethyl-1H-pyrazol-1-yl)- 7,8-Dimethoxy-4-(3,5-dimethyl-1H-pyrazol-1-yl)-5H-pyridazino(4,5-b)indole BRN 5993404