Tetrasodium 4, 8-diamino-9, 10-dihydro-1, 5-dioxido-9, 10-dioxoanthracene-2, 6-disulphonate

Tetrasodium 4-((1-hydroxy-6-((((5-hydroxy-6-((2-methyl-4-sulphonatophenyl)azo)-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-3-sulphonato-2-naphthyl)azo)benzoate

Tetrasodium 4-((3, 5-bis((4-((4-nitro-2-sulphonatophenyl)amino)phenyl)azo)-2, 4(or 2, 6)-dihydroxyphenyl)azo)-5-hydroxynaphthalene-2, 7-disulphonate

Tetrasodium 4-((4', 5-disulfo(1, 1'-biphenyl)-2-yl)hydrazono)-4, 5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylate

Tetrasodium 4-((4-((4-((4, 6-dichloro-1, 3, 5-triazin-2-yl)amino)-2, 5-dimethylphenyl)azo)-6-sulphonato-1-naphthyl)azo)naphthalene-1, 3, 6-trisulphonate

Tetrasodium 4-((4-chloro-6-((8-hydroxy-3, 6-disulphonato-7-((1-sulphonato-2-naphthyl)azo)-1-naphthyl)amino)-1, 3, 5-triazin-2-yl)amino)salicylate

Tetrasodium 4-((5-((4-chloro-6-((4-sulphonatophenyl)amino)-1, 3, 5-triazin-2-yl)amino)-2-sulphonatophenyl)azo)-4, 5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

Tetrasodium 4-(3-(3-carboxylato-5-hydroxy-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl)allylidene)-4, 5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

Tetrasodium 4-(4-chloro-6-(4-methyl-2-sulfophenylamino)-1, 3, 5-triazin-2-ylamino)-6-(4, 5-dimethyl-2-sulfophenylazo)-5-hydroxynaphthalene-2, 7-disulfonate

Tetrasodium 4-amino-3, 6-bis((5-((4-amino-6-chloro-1, 3, 5-triazin-2-yl)amino)-2-sulphonatophenyl)azo)-5-hydroxynaphthalene-2, 7-disulphonate

Tetrasodium 4-amino-3, 6-bis((5-((4-chloro-6-((o-tolyl)amino)-1, 3, 5-triazin-2-yl)amino)-2-sulphonatophenyl)azo)-5-hydroxynaphthalene-2, 7-disulphonate

Tetrasodium 4-amino-3-((4-(2-(4-((2, 4-diaminophenyl)azo)-2-sulphonatophenyl)vinyl)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Tetrasodium 4-amino-5-hydroxy-3-((4-((4-((4-hydroxy-2-((o-tolyl)amino)phenyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-6-((4-sulphonatophenyl)azo)naphthalene-2, 7-disulphonate

Tetrasodium 4-amino-5-hydroxy-6-((1-sulphonato-2-naphthyl)azo)-3-((4-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)naphthalene-2, 7-disulphonate

Tetrasodium 4-amino-5-hydroxy-6-((2-methoxy-5-methyl-4-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)-3-((4-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)naphthalene-2, 7-disulphonate

Tetrasodium 4-amino-6-((2, 5-dimethoxy-4-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)-5-hydroxy-3-((4-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)naphthalene-2, 7-disulphonate

Tetrasodium 4-hydroxy-3-((1-sulphonato-2-naphthyl)azo)-5-((((3-((2-(sulphonatothio)ethyl)sulphonyl)phenyl)amino)carbonyl)amino)naphthalene-2, 7-disulphonate

Tetrasodium 4-hydroxy-5-((4-((((5-hydroxy-6-((2-methoxy-5-sulphonatophenyl)azo)-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-5-methoxy-o-tolyl)azo)naphthalene-2, 7-disulphonate

Tetrasodium 4-hydroxy-5-((4-((5-hydroxy-6-((4-methoxy-2-sulphonatophenyl)azo)-7-sulphonato-2-naphthyl)amino)-6-(morpholino)-1, 3, 5-triazin-2-yl)amino)-3-(phenylazo)naphthalene-2, 7-disulphonate

Tetrasodium 5, 5'-(carbonylbis(imino-4, 1-phenylenecarbonylimino(2-sulphonato-4, 1-phenylene)azo))bis(6-amino-4-hydroxynaphthalene-2-sulphonate)