The Complete List of Suppliers for 2,7-Naphthalenedisulfonicacid,5-[2-[2,4-dihydroxy-5-[2-(4-nitrophenyl)diazenyl]-3-[2-[4-(phenylamino)-3-sulfophenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-3-[2-[4-(phenylamino)-3-sulfophenyl]diazenyl]-,sodium salt (1:4)
![177159-56-7,2,7-Naphthalenedisulfonicacid,5-[2-[2,4-dihydroxy-5-[2-(4-nitrophenyl)diazenyl]-3-[2-[4-(phenylamino)-3-sulfophenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-3-[2-[4-(phenylamino)-3-sulfophenyl]diazenyl]-,sodium salt (1:4),2,7-Naphthalenedisulfonicacid,5-[[2,4-dihydroxy-5-[(4-nitrophenyl)azo]-3-[[4-(phenylamino)-3-sulfophenyl]azo]phenyl]azo]-4-hydroxy-3-[[4-(phenylamino)-3-sulfophenyl]azo]-,tetrasodium salt (9CI); Coriacide Black Brown B](http://www.lookchem.com/300w/2010/068/177159-56-7.jpg)