1-Phenyl-2,4-dimethyl-3-benzolsulfonamido-3-pyrazolin-5-on [German] Benzenesulfonamide, N-(2,4-dimethyl-5-oxo-1-phenyl-3-pyrazolin-3-yl)- DB2365000 N-(2,4-Dimethyl-5-oxo-1-phenyl-3-pyrazolin-3-yl)benzenesulfonamide