3-[4-[[3-[[4-[2,4-Bis(1,1-dimethylpropyl)phenoxy]butyl]carbamoyl]-4-hydroxy-1-naphtyl]oxy]phenylazo]-4-hydroxy-5-(acetylamino)naphthalene-2,7-disulfonic acid

5-(acetylamino)-3-[[4-[[3-[[[4-[2,4-bis(tert-pentyl)phenoxy]butyl]amino]carbonyl]-4-hydroxy-1-naphthyl]oxy]phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonic acid

5-(Acetylamino)-3-[[4-[[3-[[[4-[2,4-bis(1,1-dimethylpropyl)phenoxy]butyl]amino]carbonyl]-4-hydroxy-1-naphthalenyl]oxy]phenyl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid