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874617-78-4 1-naphthalenesulfonic acid,4-hydroxy-3-[[4-[(2-sulfophenyl)azo]-1-naphthalenyl]azo]-, di

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Product Name 1-Naphthalenesulfonic acid,4-hydroxy-3-[[4-[(2-sulfophenyl)azo]-1-naphthalenyl]azo]-, disodium salt
CAS No. 874617-78-4
Molecular Formula C26H18N4O7S2・2Na