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

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

1-(4-Bromophenyl)-3-(piperidin-4-yl)ureahydrochloride

tert-Butyl 4-(3-p-tolylureido)piperidine-1-carboxylate

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

3-Nitro-N-(piperidin-4-yl)benzenesulfonamide hydrochloride

tert-Butyl 4-[(piperidine-1-carbonyl)amino]piperidine-1-carboxylate

tert-Butyl 4-[(morpholine-4-carbonyl)amino]piperidine-1-carboxylate

1,1-Dimethyl-3-(piperidin-4-yl)urea hydrochloride

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

(R)-tert-Butyl 1-(2-aminophenyl)pyrrolidin-3-ylcarbamate