(3-Aminophenyl)-urea Monohydrochloride
1,3-Phenylenediamine-4-sulfonic Acid
1-Amino-8-hydroxynaphthalene-3,6-disulphonic Acid
1-Diazo-2-naphthol-4-sulfonic Acid
1-Naphthylamine-7-sulfonic Acid
2-Amino-1,5-naphthalenedisulfonic Acid
2-Amino-5-chloro-4-methylbenzenesulfonic Acid
2-Amino-6-nitrobenzoic Acid
2-Aminonaphthalene-1-sulfonic Acid
2-Naphthol
2-[(4-Aminophenyl)sulfonyl]ethyl Hydrogen Sulfate