1-[4-(Ethylsulfonyl)-2-nitrophenyl]piperidine-2-carboxylic acid

4-[4-(2-Hydroxyethyl)piperazin-1-yl]-3-nitroaniline

Ethyl 3-Nitro-4-(piperidin-4-carboxamid-1-yl)benzoate

5-Nitro-2-(4-methylpiperidin-1-yl)benzoic acid

1-(4-Fluoro-2-nitrophenyl)-3-methylpiperazinehydrochloride

1-[2-Chloro-4-(methylsulfonyl)phenyl]-4-(2-hydroxyethyl)piperazine

1-[2-Nitro-4-(trifluoromethyl)phenyl]piperidin-4-ol

1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-3-methylpiperazine

1-[(2-Chloro-4-methylsulfonyl)phenyl]homopiperazine hydrochloride

1-(4,6-Dimethylpyrimidin-2-yl)pyrrolidine-2-carboxylic acid

1-[3-Chloro-5-(trifluoromethyl)pyrimidin-2-yl]pyrrolidine-2-carboxylic acid