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

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

3-(Piperidin-4-yl)oxazolidin-2-one hydrochloride

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

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

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

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

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

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

tert-Butyl 4-(pyridine-5-sulfonamido)piperidine-1-carboxylate

1-(2-Nitrophenyl)-3-(piperidin-4-yl)ureahydrochloride