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89785-33-1 1,6-naphthalenedisulfonic acid,8-[(1-amino-3,6-disulfo-2-naphthalenyl)azo]-, tetrasodium

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Product Name 1,6-Naphthalenedisulfonic acid,8-[(1-amino-3,6-disulfo-2-naphthalenyl)azo]-, tetrasodium salt
CAS No. 89785-33-1
Molecular Formula C20H15N3O12S4・4Na