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

tert-Butyl 1-(2-oxo-2-phenylethyl)piperidin-4-ylcarbamate

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

1-(5-Fluoro-2-methylbenzyl)piperidin-4-amine dihydrochloride

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

3-[(Piperidine-4-ylamino)methyl]benzonitrile dihydrochloride

tert-Butyl 4-(2-cyanobenzoylamino)piperidine-1-carboxylate

Methyl 3-[(4-aminopiperidin-1-yl)methyl]benzoate dihydrochloride

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

tert-Butyl 1-(piperidine-1-carbonyl)piperidin-4-ylcarbamate

tert-Butyl 4-[3-(2-cyanophenyl)ureido]piperidine-1-carboxylate