sodium 2,5-dichloro-4-[4-[[5-[(ethylphenylamino)sulphonyl]-o-tolyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonate;2,5-Dichloro-4-[[4-[[5-[(ethylphenylamino)sulfonyl]-2-methylphenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol]-1-yl]benzenesulfonic acid sodium salt;Einecs 287-278-9;Sodium 2,5-dichloro-4-(4-((5-((ethylphenylamino)sulphonyl)-o-tolyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonate
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