1,2,4-Triazolo(4,3-b)pyridazine, 3-methyl-6-(3-(trifluoromethyl)phenyl)- 3-Methyl-6-(3-(trifluoromethyl)phenyl)-1,2,4-triazolo(4,2-b)pyridazine 66548-69-4 CL 218,872 CL 218872