Trisodium 4-((1-hydroxy-8-((1-oxo-3-(phenylsulphonyl)propyl)amino)-3, 6-disulphonato-2-naphthyl)azo)benzoate

Trisodium 4-((2, 4-dihydroxy-3-((4-(6-methyl-7-sulphonato(2, 6'-bibenzothiazol)-2'-yl)phenyl)azo)phenyl)azo)-5-hydroxynaphthalene-2, 7-disulphonate

Trisodium 4-((2, 6-dihydroxy-3-((4-nitrophenyl)azo)-5-((4-sulphonato-1-naphthyl)azo)phenyl)azo)-5-hydroxynaphthalene-2, 7-disulphonate

Trisodium 4-((3-((3-(4, 5-dihydro-3-methyl-5-oxo-4-((4-sulphonatophenyl)azo)-1H-pyrazol-1-yl)phenyl)azo)-2, 4-dihydroxyphenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-((3-(4, 5-dichloro-6-oxo-6H-pyridazin-1-yl)propionyl)amino)-5-hydroxy-6-((4-sulphonatophenyl)azo)naphthalene-2, 7-disulphonate

Trisodium 4-((4'-((3-carboxylato-4-hydroxyphenyl)azo)(1, 1'-biphenyl)-4-yl)azo)-4, 5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

Trisodium 4-((4-((((5-hydroxy-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-5-methoxy-o-tolyl)azo)-5-((phenylsulphonyl)oxy)naphthalene-2, 7-sulphonate

Trisodium 4-((4-(((3, 6-dichloropyridazin-4-yl)carbonyl)amino)-2-sulphonatophenyl)azo)-4, 5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

Trisodium 4-((4-((3-carboxylato-4-hydroxyphenyl)azo)sulphonatophenyl)-NNO-azoxy)salicylate

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

Trisodium 4-((4-chloro-6-((2-hydroxyethyl)amino)-1, 3, 5-triazin-2-yl)amino)-5-hydroxy-6-((2-sulphonatophenyl)azo)naphthalene-1, 7-disulphonate

Trisodium 4-((4-chloro-6-((3-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)amino)-1, 3, 5-triazin-2-yl)amino)-2-((4, 5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl)azo)benzenesulphonate

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

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

Trisodium 4-((6-((4-chloro-6-((4-methoxy-2-sulphonatophenyl)amino)-1, 3, 5-triazin-2-yl)methylamino)-1-hydroxy-3-sulphonato-2-naphthyl)azo)benzoate

Trisodium 4-((7-((2, 4-diaminophenyl)azo)-1-hydroxy-3-sulphonato-2-naphthyl)azo)-4'-((4-hydroxyphenyl)azo)(1, 1'-biphenyl)-2, 2'-disulphonate

Trisodium 4-((8-amino-7-((4'-((2-amino-4-hydroxyphenyl)azo)(1, 1'-biphenyl)-4-yl)azo)-1-hydroxy-3, 6-disulphonato-2-naphthyl)azo)benzoate

Trisodium 4-((o-arsonophenyl)azo)-3-oxidonaphthalene-2, 7-disulphonate

Trisodium 4-(acetylamino)-5-hydroxy-6-((4-methoxy-3-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)naphthalene-1, 7-disulphonate

Trisodium 4-(benzoylamino)-6-((5-((((2, 3-dichloroquinoxalin-6-yl)carbonyl)methylamino)methyl)-2-sulphonatophenyl)azo)-5-hydroxynaphthalene-1, 7-disulphonate