1,2,4-Triazolo(4,3-b)pyridazine, 3,8-dimethyl-6-phenyl- 3,8-Dimethyl-6-phenyl-1,2,4-triazolo(4,3-b)pyridazine 32723-50-5 BRN 1216009 Dimethyl-3,8 phenyl-6 s-triazolo-(1,2-b)pyridazine [French]