Ethyl-[1-(2-hydroxy-ethyl)-piperidin-4-yl]-carbamic acid tert-butyl ester

[1-(2-Amino-ethyl)-piperidin-2-ylmethyl]-methyl-carbamic acid tert-butyl ester

[1-(2-Amino-ethyl)-piperidin-3-yl]-ethyl-carbamic acid tert-butyl ester

[1-(2-Amino-ethyl)-piperidin-3-yl]-isopropyl-carbamic acid tert-butyl ester

[1-(2-Amino-ethyl)-piperidin-3-ylmethyl]-isopropyl-carbamic acid tert-butyl ester

[1-(2-Amino-ethyl)-piperidin-3-yl]-cyclopropyl-carbamic acid tert-butyl ester

[1-(2-Amino-ethyl)-piperidin-4-ylmethyl]-cyclopropyl-carbamic acid tert-butyl ester

[1-(2-Amino-ethyl)-pyrrolidin-2-ylmethyl]-cyclopropyl-carbamic acid tert-butyl ester

[1-(2-Chloro-acetyl)-piperidin-3-ylmethyl]-carbamic acid tert-butyl ester

[(R)-1-(2-Chloro-acetyl)-piperidin-3-yl]-methyl-carbamic acid tert-butyl ester

[2-(2-Chloro-acetylamino)-cyclohexyl]-methyl-carbamic acid tert-butyl ester