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2-Aminobenzothiol

2,4-Dimethyl-1,3-benzenediol

3,4-Dihydroxybenzonitrile

4-Bromo-3-nitroanisole

3-Chloro-4-methoxyaniline

4-Cyano-phenylglyoxylic acid ethyl ester

4-Amino-3-Ethylbenzontrile

2,7-Naphthalenedicarboxylic acid

2,3-Dimethylmaleic anhydride

Diethyl 2,5-dibromohexanedioate