1-Propanesulfonamide, 2,2-dimethyl-3-(((2,7-dimethyl(1,2,4)triazolo(1,5-b)pyridazin-6-yl)oxy)methyl)- 152537-74-1 2,7-Dimethyl-6-(2,2-diethyl-3-sulfamoyl-1-propoxy)(1,2,4)triazolo(1,5-b)pyridazine