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

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

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

N-(Piperidin-4-yl)morpholine-4-carboxamide hydrochloride

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

2-Ethoxy-1-fluoro-3-nitrobenzene

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

(R)-tert-Butyl 1-(2-amino-4-fluorophenyl)pyrrolidin-3-ylcarbamate

tert-Butyl 4-(2-amino-3-fluorophenyl)piperazine-1-carboxylate

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

(R)-tert-Butyl 3-(2-nitrophenoxy)pyrrolidine-1-carboxylate