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

tert-Butyl 4-[3-(4-chlorophenyl)ureido]piperidine-1-carboxylate

tert-Butyl 4-[4-(methoxycarbonyl)benzylamino]piperidine-1-carboxylate

tert-Butyl 4-[3-(3-fluorophenyl)ureido]piperidine-1-carboxylate

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

tert-Butyl 4-(2-ethoxyethylamino)piperidine-1-carboxylate

N-(Piperidin-4-yl)piperidine-1-carboxamide hydrochloride

tert-Butyl 4-[3-(4-nitrophenyl)ureido]piperidine-1-carboxylate

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

tert-Butyl 4-(2-aminophenylsulfonamido)piperidine-1-carboxylate

N-(Piperidin-4-yl)morpholine-4-carboxamide hydrochloride