3-METHYL-1-(4'-SULFOAMIDOPHENYL)-5-PYRA&;p-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonamide;1-(4'-Sulfamidophenyl)-3-methyl-5-pyrazolone;3-METHYL-1-(4''-SULFOAMIDOPHENYL)-5-PYRAZOL ONE 95%;4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonamide;4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-yl)benzenesulfonamide;4-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonamide;Einecs 236-265-6