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

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

2-Hydroxy-2-methyl-N-(piperidin-4-yl)propanamide hydrochloride

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

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

tert-Butyl 1-(2-fluoro-6-nitrophenyl)piperidin-4-ylcarbamate

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

4-[(2-Fluoro-4-nitrophenoxy)methyl]tetrahydro-2H-pyran

1-Fluoro-2-(2-methoxyethoxy)-3-nitrobenzene

(S)-tert-Butyl 1-(4-fluoro-2-nitrophenyl)pyrrolidin-3-ylcarbamate

(S)-tert-Butyl 3-(4-fluoro-2-nitrophenoxy)pyrrolidine-1-carboxylate