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90377-49-4 1,6-naphthalenedisulfonic acid,8-[(8-amino-4-hydroxy-1-naphthalenyl)azo]-, disodium salt

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Product Name 1,6-Naphthalenedisulfonic acid,8-[(8-amino-4-hydroxy-1-naphthalenyl)azo]-, disodium salt
CAS No. 90377-49-4
Molecular Formula C20H15N3O7S2・2Na