1-Heptanesulfonamide, 5-ethyl-5-((7-methyl(1,2,4)triazolo(1,5-b)pyridazin-6-yl)oxy)methyl)- 152537-63-8 5-Ethyl-5-((7-methyl(1,2,4)triazolo(1,5-b)pyridazin-6-yloxy)methyl)-1-heptanesulfonamide 6-(2,2-Diethyl-6-sulfamoyl-1-hexyloxy)-7-methyl(1,2,4)triazolo(1,5-b)pyridazine