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

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

1-(4-Aminopiperidin-1-yl)-3,3-dimethylbutan-2-one dihydrochloride

tert-Butyl 1-(3-chloro-4-fluorobenzyl)piperidin-4-ylcarbamate

tert-Butyl 1-(2,6-difluorobenzyl)piperidin-4-ylcarbamate

tert-Butyl 1-(2-fluoro-5-methylbenzyl)piperidin-4-ylcarbamate

tert-Butyl 1-(3,5-difluorobenzyl)piperidin-4-ylcarbamate

(4-Aminopiperidin-1-yl)(pyridin-4-yl)methanone dihydrochloride

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

4-[(4-Aminopiperidin-1-yl)methyl]phenoldihydrochloride

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