2-Amino-5-naphthol-7-sulfonic Acid
3,3'-Dimethyl Benzidine
3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
4-(P-Aminoanilino-3-Sulfoaniline
4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid
4-diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic Acid
4-Nitro-2-Aminophenol-6-Sulfonic Acid
6-Nitro-1,2-Diazoxynaphthalene-4-Sulfonic Acid
6-Nitro-2-Aminophenol-4-Sulfonic Acid
7-anilino-4-hydroxynaphthalene-2-sulphonic Acid
Acid Black 107
Acid Black 168