11H-1,2,4-Triazolo(4',3':2,3)pyridazino(4,5-b)indole, 3,11-dimethyl- 3,11-Dimethyl-11H-1,2,4-triazolo(4',3':2,3)pyridazino(4,5-b)indole 74409-87-3 BRN 4497705