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170020-77-6 2,7-naphthalenedisulfonic acid,3-[(4-aminophenyl)azo]-5-[(2,3-dichlorobenzoyl)amino]-4-h

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Product Name 2,7-Naphthalenedisulfonic acid,3-[(4-aminophenyl)azo]-5-[(2,3-dichlorobenzoyl)amino]-4-hydroxy-,disodium salt
CAS No. 170020-77-6
Molecular Formula C23H16Cl2N4O8S2・2Na