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89276-73-3 1,6-naphthalenedisulfonic acid,7-[(3,6-disulfo-1-naphthalenyl)azo]-8-hydroxy-, tetraammon

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Product Name 1,6-Naphthalenedisulfonic acid,7-[(3,6-disulfo-1-naphthalenyl)azo]-8-hydroxy-, tetraammonium salt
CAS No. 89276-73-3
Molecular Formula C20H14N2O13S4・4H3N