11H-1,2,4-Triazolo(4',3':2,3)pyridazino(4,5-b)indole, 8,9-dimethoxy-3-methyl- 121638-61-7 8,9-Dimethoxy-3-methyl-11H-1,2,4-triazolo(3,4-b)pyridazino(4,5-b)indole BRN 5985239