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90163-78-3 2-naphthalenesulfonic acid,8-amino-4-hydroxy-3-[(7-sulfo-1-naphthalenyl)azo]-, disodium s

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Product Name 2-Naphthalenesulfonic acid,8-amino-4-hydroxy-3-[(7-sulfo-1-naphthalenyl)azo]-, disodium salt
CAS No. 90163-78-3
Molecular Formula C20H15N3O7S2・2Na