2-((4-(Ethyl(2-hydroxyethyl)amino)phenyl)diazenyl)-6-methoxy-3-methylbenzo[d]thiazol-3-ium methyl sulfate
4,4-Diamino-2,2-stilbenedisulfonic acid
N-(4-(Bis(4-(diethylamino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)-N-ethylethanaminium chloride
Sodium 3-((-ethyl(-4-((4-(ethyl(3-sulfonatobenzyl)amino)phenyl)(4-sulfonatophenyl)methylene)cyclohexa-2,5-dien-1-ylidene)ammonio)methyl)benzenesulfonate
8-Hydroxy-7-iodoquinoline-5-sulfonic acid
Sodium 3-((4-(phenylamino)phenyl)diazenyl)benzenesulfonate
9-(Diethylamino)-3'H-spiro[benzo[a]xanthene-12,1'-isobenzofuran]-3'-one
1,3,5-Triphenylformazan
Naphthalene-1,3,5-trisulfonic acid
Acidred88
Sodium 3-(((4-((2-chlorophenyl)(4-(ethyl(3-sulfonatobenzyl)amino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)(ethyl)ammonio)methyl)benzenesulfonate
4,4'-(1,3-Phenylenebis(diazene-2,1-diyl))bis(benzene-1,3-diamine) dihydrochloride
3-Hydroxy-4-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-1-sulfonic acid
Sodium 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonate
Sodium 6,6'-(ethene-1,2-diyl)bis(3-((4-ethoxyphenyl)diazenyl)benzenesulfonate)
2-(3,6-Bis(diethylamino)xanthylium-9-yl)-5-sulfobenzenesulfonate
5(6)-Carboxy-Hexachlorofluorescein
3',6'-Dihydroxy-3-oxo-N-(prop-2-yn-1-yl)-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxamide
3',6'-Dihydroxy-4-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
