1-Butanesulfonamide, 2-methyl-2-(((7-methyl(1,2,4)triazolo(1,5-b)pyridazin-6-yl)oxy)methyl)- 152537-71-8 2-Methyl-2-(((7-methyl(1,2,4)triazolo(1,5-b)pyridazin-6-yl)oxy)methyl)-1-butanesulfonamide 6-(2-Ethyl-2-methyl-3-sulfamoyl-1-propoxy)-7-methyl(1,2,4)triazolo(1,5-b)pyridazine