Acid Brown 349 CAS NO.72827-73-7
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![2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]sulfonyl]amino]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:2)](http://www.lookchem.com/300w/2010/0619/157577-99-6.jpg)
2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]sulfonyl]amino]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:2)![Benzenesulfonic acid,2,2'-[(2,4-dihydroxy-1,3-phenylene)bis(2,1-diazenediyl-4,1-phenyleneimino)]bis[5-nitro-,sodium salt (1:2)](http://www.lookchem.com/300w/2010/0623/71799-43-4.jpg)
Benzenesulfonic acid,2,2'-[(2,4-dihydroxy-1,3-phenylene)bis(2,1-diazenediyl-4,1-phenyleneimino)]bis[5-nitro-,sodium salt (1:2)