3-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-N-(2-hydroxyethyl)benzenesulphonamide 68003-42-9 Benzenesulfonamide, 3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-N-(2-hydroxyethyl)- EINECS 268-126-0 N-(2-Hydroxyethyl)-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonamide