[(S)-1-((S)-2-Amino-3-methyl-butyryl)-pyrrolidin-3-yl]-cyclopropyl-carbamic acid tert-butyl ester

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

{4-[(tert-Butoxycarbonyl-isopropyl-amino)-methyl]-piperidin-1-yl}-acetic acid

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

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

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

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

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

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

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

[2-(2-Hydroxy-ethylamino)-cyclohexyl]-isopropyl-carbamic acid benzyl ester