(R)-tert-Butyl 1-(5-nitropyridine-2-yl)pyrrolidine-3-ylcarbamate

(1R,4R)-4-(3-Fluoro-2-nitrophenylamino)cyclohexanol

tert-Butyl 4-[(3-fluoro-2-nitrophenylamino)methyl]piperidine-1-carboxylate

(1R,4R)-4-(3-Nitropyridine-2-ylamino)cyclohexanol

N-(Piperidin-4-yl)cyclobutanecarboxamidehydrochloride

(1R,4R)-4-(2-Fluoro-6-nitrophenylamino)cyclohexanol

2-Nitro-N-(piperidin-4-yl)benzamide hydrochloride

tert-Butyl 4-(phenylsulfonamido)piperidine-1-carboxylate

1-Ethyl-3-(piperidin-4-yl)urea hydrochloride

1-(3-Fluorophenyl)-3-(piperidin-4-yl)urea hydrochloride

1-Cyclopentyl-3-(piperidin-4-yl)urea hydrochloride

1-(Piperidin-4-yl)-3-o-tolylurea hydrochloride

2-Methoxy-N-(piperidin-4-yl)acetamide hydrochloride

tert-Butyl 4-(2-hydroxy-2-methylpropanamido)piperidine-1-carboxylate

4-Bromo-N-(piperidin-4-yl)benzamide hydrochloride