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90378-09-9 1-naphthalenesulfonic acid, 4-amino-5-hydroxy-3-(1-naphthalenylazo)-,monosodium salt

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Product Name 1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-3-(1-naphthalenylazo)-,monosodium salt
CAS No. 90378-09-9
Molecular Formula C20H15N3O4S・Na