Trisodium 4-amino-3-((2, 5-dichloro-4-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4'-((2, 4-diaminophenyl)azo)-3, 3'-dimethoxy(1, 1'-biphenyl)-4-yl)azo)-5-hydroxy-6-((4-sulphonatophenyl)azo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4'-((2-amino-4-hydroxyphenyl)azo)(1, 1'-biphenyl)-4-yl)azo)-5-hydroxy-6-((4-methoxy-2-sulphonatophenyl)azo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4'-((4-amino-2-hydroxyphenyl)azo)(1, 1'-biphenyl)-4-yl)azo)-5-hydroxy-6-((4-sulphonatophenyl)azo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-(((4-((7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)phenyl)amino)carbonyl)phenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-((2, 4-diaminophenyl)azo)phenyl)azo)-5-hydroxy-6-((4-sulphonatophenyl)azo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-((4-((2, 4-dihydroxyphenyl)azo)-6(or 7)-sulphonato-1-naphthyl)azo)phenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-((4-((2, 4-dihydroxyphenyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-((4-((2-((2-(diethylamino)ethyl)amino)-4-hydroxyphenyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-((4-((2-amino-4-((2-(diethylamino)ethyl)amino)phenyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-((4-((4-((2-(diethylamino)ethyl)amino)-2-hydroxyphenyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-((4-((4-amino-2-hydroxyphenyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-((4-amino-2-hydroxy-5-((4-sulphonatophenyl)azo)phenyl)azo)phenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-3-((4-((4-amino-2-hydroxyphenyl)azo)phenyl)azo)-5-hydroxy-6-((4-sulphonatophenyl)azo)naphthalene-2, 7-disulphonate

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

Trisodium 4-amino-5-hydroxy-3-((4-((2-hydroxy-6-sulphonato-1-naphthyl)azo)phenyl)azo)-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-5-hydroxy-3-((4-((2-oxo-1-((phenylamino)carbonyl)propyl)azo)phenyl)azo)-6-((4-sulphonatophenyl)azo)naphthalene-2, 7-disulphonate

Trisodium 4-amino-5-hydroxy-3-((4-((4-((4-hydroxyphenyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-6-(phenylazo)naphthalene-2, 7-disulphonate

Trisodium 4-hydroxy-3-((2-methoxy-5-methyl-4-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)-6-((3-sulphonatophenyl)amino)naphthalene-2-sulphonate

Trisodium 4-hydroxy-3-((4'-((1-hydroxy-4-sulphonato-2-naphthyl)azo)-3, 3'-dimethoxy(1, 1'-biphenyl)-4-yl)azo)naphthalene-2, 7-disulphonate