Sodium 4-((2,4-dimethylphenyl)diazenyl)-3-hydroxynaphthalene-2,7-disulfonate

Sodium 6,6'-(ethene-1,2-diyl)bis(3-((4-hydroxyphenyl)diazenyl)benzenesulfonate)

4,4'-(Phenylmethylene)bis(N,N-dimethylaniline)

Sodium 6-hydroxy-5-(phenyldiazenyl)naphthalene-2-sulfonate

Sodium 2,2'-(triaz-1-ene-1,3-diylbis(4,1-phenylene))bis(6-methylbenzo[d]thiazole-7-sulfonate)

8-Hydroxy-1-(salicylideneamino)naphthalene-3,6-disulfonic acid monosodium Salt

3,7-Bis(dimethylamino)phenothiazin-5-ium chloride mixt. with 3-(dimethylamino)-7-(methylamino)phenothiazin-5-ium chloride(1:1)

4,5,6,7-Tetrabromo-3,3-bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

3,3-Bis(4-hydroxy-3-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

1-Naphthalenesulfonic acid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro-, sodium salt (1:1)