2-Amino-5-naphthol-7-sulfonic acid (J-Acid)

4-Chlorobenzonitrile (p-Chlorobenzonitrile)

2,4,6-Trimethylaniline (Trimethylaniline)

1,7-Dihydroxynaphthalene (1,7-Naphthol)

1,4-Diaminoanthraquinone

2-Amino-4-nitrophenol

2-Amino-5-nitrophenol

2-Aminophenol-4-sulfonamide

2-Aminophenol-4-(2'-carboxy)sulfonanilide

1-Acetamido-7-naphthol

p-Aminoazobenzene-4-sulfonic acid (PAABSA)

2-Aminobenzoic acid (o-Aminobenzoic acid)