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676542-58-8 1-naphthalenesulfonic acid, 5-[(2,3,4-trihydroxyphenyl)azo]-

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Product Name 1-Naphthalenesulfonic acid, 5-[(2,3,4-trihydroxyphenyl)azo]-
CAS No. 676542-58-8
Molecular Formula C16H12N2O6S