70796-13-3

4-CHLORO-3-(5-HYDROXY-4-(2-METHOXYPHENYLAZO)-3-ME-PYRAZOL-1-YL)BENZENE-SO3H 1-(2-CHLORO-5-SULFOPHENYL)-3-METHYL-4-(2-METHOXYPHENYL)AZO-2-PYRAZOLIN-5-ONE 4-chloro-3-[4-[(2-methoxyphenyl)diazenyl]-3-methyl-5-oxo-4H-pyrazol-1-yl]benzenesulfonic acid Benzenesulfonic acid, 4-chloro-3-[4,5-dihydro-4-[2-(2-methoxyphenyl)diazenyl]-3-methyl-5-oxo-1H-pyrazol-1-yl]-