sodium 6-amino-5-[[4-chloro-3-[[(2,4-dimethylphenyl)amino]sulphonyl]phenyl]azo]-4-hydroxynaphthalene-2-sulphonate

6-Amino-5-[[4-chloro-3-[[(2,4-dimethylphenyl)amino]sulfonyl]phenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid sodium salt

2-Naphthalenesulfonic acid, 6-amino-5-[[4-chloro-3-[[ (2,4-dimethylphenyl)amino]sulfonyl]phenyl]azo]-4-hydroxy -, monosodium salt