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89276-43-7 2,7-naphthalenedisulfonic acid,5-amino-3-[(3,6-disulfo-1-naphthalenyl)azo]-4-hydroxy-, te

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Product Name 2,7-Naphthalenedisulfonic acid,5-amino-3-[(3,6-disulfo-1-naphthalenyl)azo]-4-hydroxy-, tetrasodium salt
CAS No. 89276-43-7
Molecular Formula C20H15N3O13S4・4Na