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89276-66-4 1-naphthalenesulfonic acid,3-hydroxy-4-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-, disodium

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Product Name 1-Naphthalenesulfonic acid,3-hydroxy-4-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-, disodium salt
CAS No. 89276-66-4
Molecular Formula C20H14N2O8S2・2Na