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

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

tert-Butyl 4-[3-(2-nitrophenyl)ureido]piperidine-1-carboxylate

1-(Cyclopentyloxy)-2-fluoro-4-nitrobenzene

tert-Butyl 4-(2-amino-6-fluorophenylamino)piperidine-1-carboxylate

1-(Cyclohexyloxy)-2-fluoro-4-nitrobenzene