(R)-tert-Butyl 1-(3-chlorobenzyl)pyrrolidin-3-ylcarbamate

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

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

(S)-tert-Butyl 1-(cyclopentanecarbonyl)pyrrolidin-3-ylcarbamate

[1-(Cyclohexylmethyl)piperidin-4-yl]methanamine dihydrochloride

[1-(Ethylsulfonyl)piperidin-4-yl]methanamine hydrochloride

tert-Butyl [1-(cyclopentylmethyl)piperidin-4-yl]methylcarbamate

tert-Butyl [(1-pivaloylpiperidin-4-yl)methyl]carbamate

(R)-tert-Butyl 3-(2-methoxyacetamido)piperidine-1-carboxylate

(R)-tert-Butyl 3-(tetrahydro-2H-pyran-4-carbonylamino)piperidine-1-carboxylate

(R)-tert-Butyl 3-(ethylsulfonamido)piperidine-1-carboxylate