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

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

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

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

1-(Piperidin-4-yl)-3-p-tolylurea hydrochloride

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

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

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

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

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

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

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

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

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

Ethyl 1-(2-aminophenyl)piperidine-4-carboxylate