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89785-42-2 2-naphthalenesulfonic acid,6-[(4-amino-5-hydroxy-1-naphthalenyl)azo]-, monosodium salt

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Product Name 2-Naphthalenesulfonic acid,6-[(4-amino-5-hydroxy-1-naphthalenyl)azo]-, monosodium salt
CAS No. 89785-42-2
Molecular Formula C20H15N3O4S・Na