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

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

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

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

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

(1R,4R)-Cyclopropyl-[4-(2-hydroxy-ethylamino)-cyclohexyl]-carbamic acid benzyl ester

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

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

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

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

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