3-((1-(4-Chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-4-hydroxy-N-methylbenzenesulfonamide 3-((1-(4-Chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-4-hydroxy-N-methylbenzenesulphonamide 68227-56-5 Benzenesulfonamide, 3-((1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-4-hydroxy-N-methyl- EINECS 269-369-5