tert-Butyl 1-(cyclobutanecarbonyl)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

Methyl 4-aminopiperidine-1-carboxylate hydrochloride

4-Cyano-N-piperidin-4-yl-benzamide hydrochloride

Methyl 2-[(4-aminopiperidin-1-yl)methyl]benzoate dihydrochloride