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

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

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

(S)-(3-Aminopyrrolidin-1-yl)(cyclopropyl)methanone hydrochloride

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

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

tert-Butyl 4-(4-(methoxycarbonyl)phenylsulfonamido)piperidine-1-carboxylate

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

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

(4-Aminopiperidin-1-yl)(4-nitrophenyl)methanone hydrochloride

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