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89273-57-4 2,7-naphthalenedisulfonic acid,5-amino-4-hydroxy-3-[(8-hydroxy-3,6-disulfo-2-naphthalenyl

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Product Name 2,7-Naphthalenedisulfonic acid,5-amino-4-hydroxy-3-[(8-hydroxy-3,6-disulfo-2-naphthalenyl)azo]-,tetrapotassium salt
CAS No. 89273-57-4
Molecular Formula C20H15N3O14S4・4K