[(R)-3-(tert-Butoxycarbonyl-isopropyl-amino)-pyrrolidin-1-yl]-acetic acid

[2-(tert-Butoxycarbonyl-isopropyl-amino)-cyclohexylamino]-acetic acid

[(R)-3-(tert-Butoxycarbonyl-cyclopropyl-amino)-pyrrolidin-1-yl]-acetic acid

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

[2-(tert-Butoxycarbonyl-cyclopropyl-amino)-cyclohexylamino]-acetic acid

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

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

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

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

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

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

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

Cyclopropyl-[1-(2-hydroxy-ethyl)-piperidin-4-ylmethyl]-carbamic acid benzyl ester

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

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