1-Propanesulfonamide, 3-((1,2,4)triazolo(1,5-b)pyridazin-6-ylthio)- 152537-81-0 3-((1,2,4)Triazolo(1,5-b)pyridazin-6-ylthio)-1-propanesulfonamide 6-(3-Sulfamoyl-1-propylthio)(1,2,4)triazolo(1,5-b)pyridazine