N-Hydroxymethylbenzamide

2-Chloro-N-methylacetamide (N-Methylchloroacetamide)

Sodium 2,4-diaminobenzenesulfonate (m-Disodium Salt)

o-Nitrochlorobenzene-4-sulfonic acid

p-Nitrochlorobenzene-o-sulfonic acid (2-Chloro-5-nitrobenzenesulfonic acid)

6-Chloro-2-cyano-4-nitroaniline (6-Chloro-o-cyano-p-nitroaniline)

2,6-Dichloro-4-nitroaniline (2,6-Dichloro-p-nitroaniline)

8-Anilino-1-naphthalenesulfonic acid (Phenyl Peri Acid, ANS)

2-Methoxy-5-acetamido-N,N-diethylaniline

m-Acetamido-N,N-diethylaniline