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90377-42-7 2-naphthalenesulfonic acid,5-[(5-amino-4-hydroxy-1-naphthalenyl)azo]-, monopotassium salt

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Product Name 2-Naphthalenesulfonic acid,5-[(5-amino-4-hydroxy-1-naphthalenyl)azo]-, monopotassium salt
CAS No. 90377-42-7
Molecular Formula C20H15N3O4S・K