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637011-15-5 2,7-naphthalenedisulfonic acid,3-[[4-[(2-amino-4-butoxyphenyl)azo]-2-sulfophenyl]azo]-4,

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Product Name 2,7-Naphthalenedisulfonic acid,3-[[4-[(2-amino-4-butoxyphenyl)azo]-2-sulfophenyl]azo]-4,5-dihydroxy-6-[(4-nitro-2-sulfophenyl)azo]-
CAS No. 637011-15-5
Molecular Formula C32H28N8O17S4