163767-85-9

2,7-Naphthalenedisulfonic acid,5-(benzoylamino)-3-[[4-[[8-[[[2,4-bis(1,1-dimethylpropyl)phenoxy]acetyl]amino]-1-hydroxy-3,6-disulfo-2-naphthalenyl]azo]-2,5-dimethoxyphenyl]azo]-4-hydroxy-, tetrasodium salt