3-Methyl-1-[5-(trifluoromethyl)pyridin-2-yl]piperazine

4-(3-methyl-4-nitrophenyl)morpholine

1-[(2-Methyl-4-methylsulfonyl)phenyl]piperidine-2-carboxylic acid

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

1-[4-(Ethylsulfonyl)-2-nitrophenyl]hexamethyleneimine

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

1-[2-Chloro-5-methyl-4-(methylsulfonyl)phenyl]piperidine-4-carboxylic

1-[4-(Ethylsulfonyl)-2-nitrophenyl]-4-methylpiperidine

5-Bromo-2-fluoro-4-methylsulfonyltoluene

1-(3-Methyl-4-nitrophenyl)piperazine

Ethyl 4-(3-methylpiperazin-1-yl)-3-nitrobenzoatehydrochloride