Resorcinol 

1,4-Dihydroxyanthraquinone 

2'-Chloroacetoacetanilide 

Bromaminic-acid 

Acetoacetanilide 

3-Amino-4-chlorobenzenesulfonic-... 

2-Aminophenol-4-Sulfonamide 

1,2-Diazoxynaphthalene-4-Sulfoni... 

2-Nitro-4'-Amino-Dianiline-4-Sul... 

2-Amino-N-Ethyl-N-Phenyl-Benzene... 

2-Amino-N-Methyl-N-Cyclohexyl-Be... 

N-Hydroxymethyl-Chloracetamide 

2-Naphthlamine-6-Sulfonmethylami... 

5-Amino-N-(2-hydroxyethyl)-2,3-d... 

2,2'-Dimethylbenzidine-Hydrochlo... 

6-Nitro-1,2-Diazoxynaphthalene-4... 

1-Naphthol-3,6-Disulfonic-Acid 

4-Nitro-2-Aminophenol-6-Sulfonic... 

p-Aminoazobenzene-4'-Sulfonic-Ac... 

3,3'-Dimethyl-Benzidine 

6-Nitro-2-Aminophenol-4-Sulfonic... 

2-Amino-4-Chlorophenol 

4,4'-Diamino-Benzidine-2,2'-Disu... 

4,4-diamino-diphenylamine-2-sulp... 

4,4'-Diamino-Phenylsulfanilamido... 

1-Amino-3-Methyl-5-Amino-Pyrazol... 

1-(3'-Sulfo)Phenyl-3-Methyl-5-Am... 

2-Methyl-5-Amino-Benzene-Sulfona... 

2-Naphthylamine-6-sulfonmethylam... 

Aniline,2-(o-tolyloxy)- 

2',4',2-DICHLOROAMINODIPHENYL-ET... 

2-(2,4-Dichlorophenoxy)aniline 

2-(Phenylsulfonyl)aniline 

4-chloro-3-nitro-Benzenesulfonic... 

2-Amino-5-chlorobenzotrifluoride 

2-Aminobenzotrifluoride 

alpha-N-ethylanilinotoluene-3-su... 

4-Aminodiphenyamine-2-sulfonic-a... 

6-aminonaphthalene-2-sulphonic-a... 

2-Methyl-5-Amino-N-Ethyl-Benzene... 

2-Aminophenol-4-(2'-Carboxyl)-Su... 

2-Aminophenol-4-Sulfonicmethylam... 

2-Aminobenzenesulfonic-Acid-Phen... 

2-Amino-Benezesulfonic-Acid-2'-C... 

4,4'-Di(2-Amino-Benzenzsulfonyl)...