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90377-43-8 2,7-naphthalenedisulfonic acid,4-[(5-amino-4-hydroxy-1-naphthalenyl)azo]-5-hydroxy-, dipo

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Product Name 2,7-Naphthalenedisulfonic acid,4-[(5-amino-4-hydroxy-1-naphthalenyl)azo]-5-hydroxy-, dipotassium salt
CAS No. 90377-43-8
Molecular Formula C20H15N3O8S2・2K