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2293-08-5 1-naphthalenesulfonic acid, 4-[(3,4-dihydroxyphenyl)azo]-

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Product Name 1-Naphthalenesulfonic acid, 4-[(3,4-dihydroxyphenyl)azo]-
CAS No. 2293-08-5
Molecular Formula C16H12N2O5S