[4-(tert-Butoxycarbonyl-ethyl-amino)-piperidin-1-yl]-acetic acid

[(S)-3-(tert-Butoxycarbonyl-isopropyl-amino)-piperidin-1-yl]-acetic acid

{2-[(tert-Butoxycarbonyl-cyclopropyl-amino)-methyl]-pyrrolidin-1-yl}-acetic acid

[(S)-1-(2-Hydroxy-ethyl)-pyrrolidin-3-yl]-carbamic acid benzyl ester

[1-(2-Hydroxy-ethyl)-piperidin-3-yl]-methyl-carbamic acid benzyl ester

Ethyl-[(S)-1-(2-hydroxy-ethyl)-pyrrolidin-3-yl]-carbamic acid benzyl ester

Ethyl-[(R)-1-(2-hydroxy-ethyl)-piperidin-3-yl]-carbamic acid benzyl ester

[1-(2-Hydroxy-ethyl)-pyrrolidin-3-ylmethyl]-isopropyl-carbamic acid benzyl ester

Cyclopropyl-[1-(2-hydroxy-ethyl)-piperidin-3-yl]-carbamic acid benzyl ester

Cyclopropyl-[1-(2-hydroxy-ethyl)-piperidin-3-ylmethyl]-carbamic acid benzyl ester

[1-(2-Amino-ethyl)-piperidin-3-ylmethyl]-carbamic acid benzyl ester