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2-Nitrophenylhydrazine

3,5-Diaminonitrobenzene

4-Nitro-1,2-phenylenediamine monohydrochloride

3-(2-Thiazolyl)propionic acid

3,5-Dimethylisoxazole-4-carboxylic acid

4-Hydroxybenzenesulfonamide

2-Phenoxyphenyl isocyanate

1-Allylhydantoin

4-Phenoxyphenyl isocyanate

1,3-Dimethyl-5-hydroxyuracil