(1R,4R)-[4-(tert-Butoxycarbonyl-ethyl-amino)-cyclohexylamino]-acetic acid

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

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

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

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

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

[1-(2-Amino-ethyl)-pyrrolidin-3-yl]-methyl-carbamic acid benzyl ester

[1-(2-Amino-ethyl)-piperidin-4-ylmethyl]-methyl-carbamic acid benzyl ester

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

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

[(S)-1-(2-Amino-ethyl)-pyrrolidin-2-ylmethyl]-isopropyl-carbamic acid benzyl ester