tert-Butyl 1-pivaloylpiperidin-4-ylcarbamate

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

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

(R)-tert-Butyl 1-neopentylpyrrolidin-3-ylcarbamate

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

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

(R)-(3-Aminopyrrolidin-1-yl)(phenyl)methanone hydrochloride

tert-Butyl 4-(4-aminophenylsulfonamido)piperidine-1-carboxylate

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

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

tert-Butyl 1-(3,4-difluorobenzyl)piperidin-4-ylcarbamate