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88123-57-3 1,6-naphthalenedisulfonic acid, 7-(1-naphthalenylazo)-, disodium salt

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Product Name 1,6-Naphthalenedisulfonic acid, 7-(1-naphthalenylazo)-, disodium salt
CAS No. 88123-57-3
Molecular Formula C20H14N2O6S2・2Na