| Synonym | Acid yellow 40, Benzenesulfonic acid, 5-chloro-2-[4,5-dihydro-3-methyl-4-[[4-[[(4-methylphenyl) sulfonyl] oxy] phenyl] azo]-5-oxo-1H-pyrazol-1-yl]-, sodium salt, 5-Chloro-2-[4,5-dihydro-3-methyl-4-[[4-[[(4-methylphenyl) sulfonyl] oxy] phenyl] azo]-5-oxo-1H-pyrazol-1-yl] benzenesulfonic acid monosodium salt, CI 18950, 4-p-Hydroxybenzeneazo-1-p-chloro-o-sulfophenyl-3-methyl-5-hydroxypyrazole toluene-p-sulfonyl ester sodium salt, Sodium 4-p-toluenesulfonyl-1[4,5-dihydro-3-methyl-1 (4-chloro-3-sulfonatophenyl)-2-pyrazolin-4-ylazo] benzene |
