potassium 4-benzamido-2-[[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]benzenesulphonate

4-(Benzoylamino)-2-[[[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-]4-yl]azo]benzenesulfonic acid potassium salt