tert-Butyl 1-(diethylcarbamoyl)piperidin-4-ylcarbamate

tert-Butyl 1-(pyrrolidine-1-carbonyl)piperidin-4-ylcarbamate

tert-Butyl 1-(morpholine-4-carbonyl)piperidin-4-ylcarbamate

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

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

(S)-1-(2-Bromobenzyl)pyrrolidin-3-aminedihydrochloride

tert-Butyl 1-[(tetrahydro-2H-pyran-4-yl)methyl]piperidin-4-ylcarbamate

(R)-tert-Butyl 1-(tetrahydrofuran-2-carbonyl)piperidin-4-ylcarbamate

(S)-tert-Butyl 1-(pyridin-4-ylmethyl)pyrrolidin-3-ylcarbamate

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

(S)-1-Isobutylpyrrolidin-3-amine