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90163-84-1 2-naphthalenesulfonic acid, 8-amino-4-hydroxy-3-(1-naphthalenylazo)-,monosodium salt

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Product Name 2-Naphthalenesulfonic acid, 8-amino-4-hydroxy-3-(1-naphthalenylazo)-,monosodium salt
CAS No. 90163-84-1
Molecular Formula C20H15N3O4S・Na