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89276-67-5 1-naphthalenesulfonic acid,4-hydroxy-3-[(5-hydroxy-7-sulfo-1-naphthalenyl)azo]-, dipotass

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Product Name 1-Naphthalenesulfonic acid,4-hydroxy-3-[(5-hydroxy-7-sulfo-1-naphthalenyl)azo]-, dipotassium salt
CAS No. 89276-67-5
Molecular Formula C20H14N2O8S2・2K