sodium 3-[[4-[(3,5-dimethyl-1H-pyrazol-4-yl)azo]-2,5-dimethoxyphenyl]azo]benzenesulphonate;3-[[4-[(3,5-Dimethyl-1H-pyrazol-4-yl)azo]-2,5-dimethoxyphenyl]azo]benzenesulfonic acid sodium salt;Einecs 285-150-7
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