13061-27-3 EINECS 235-953-3 Sodium 2,3-dihydro-alpha-((4-(((6-methoxypyridazin-3-yl)amino)sulphonyl)phenyl)amino)-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazole-4-methanesulphonate Sulfenazone Sulphenazone