Intermediate
- 2,2',5,5'-Tetrachlorobenzidine (TCB)
- N-Phenyl-8-naphthylamine-1-sulfonic acid
- Gamma Acid
- 1-Aminonaphtalene-5-sulfonic acid
- 4-Aminodiphenyamine-2-sulfonic acid
- 2-Amino-8-naphthol-6-sulfonic acid
- 3-hydroxynaphthalene-2,7-disulphonic acid
- 7-hydroxynaphthalene-1,3-disulphonic acid
- sodium sulphanilate
- 3,5-Dimethylphenol