1-Butanesulfonamide, 2-(((2,7-dimethyl(1,2,4)triazolo(1,5-b)pyridazin-6-yl)oxy)methyl)-2-ethyl- 152537-72-9 6-(2,2-Diethyl-3-sulfamoyl-1-propoxy)-2,7-dimethyl(1,2,4)triazolo(1,5-b)pyridazine