1-Ethoxy-3-fluoro-2-nitrobenzene

tert-Butyl 4-(2-fluoro-4-nitrophenoxy)piperidine-1-carboxylate

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

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

N-(Pyridin-2-ylmethyl)piperidine-4-aminedihydrochloride

tert-Butyl 4-(3-isopropylureido)piperidine 1-carboxylate

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

3-(Piperidin-4-yl)-1,3-oxazinan-2-one hydrochloride

N-Ethyl-N-methylpiperidin-4-amine hydrochloride

tert-Butyl 4-(3-hydroxypropylamino)piperidine-1-carboxylate

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