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74543-16-1 1-naphthalenesulfonic acid,3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-8-nitro-, monosodi

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Product Name 1-Naphthalenesulfonic acid,3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-8-nitro-, monosodium salt
CAS No. 74543-16-1
Molecular Formula C20H13N3O7S・Na