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

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

(S)-tert-Butyl 1-methylpyrrolidin-3-ylcarbamate

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

(R)-tert-Butyl 1-(tetrahydro-2H-pyran-4-yl)pyrrolidin-3-ylcarbamate

(R)-tert-Butyl 1-(2-fluorobenzyl)pyrrolidin-3-ylcarbamate

(S)-tert-Butyl 1-(tetrahydro-2H-pyran-4-carbonyl)pyrrolidin-3-ylcarbamate

(R)-1-(3-Aminopyrrolidin-1-yl)propan-1-one hydrochloride

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

tert-Butyl 1-(3-bromobenzoyl)piperidin-4-ylcarbamate

tert-Butyl 1-(3,3-dimethyl-2-oxobutyl)piperidin-4-ylcarbamate