(1R,4R)-(4-Benzyloxycarbonylamino-cyclohexylamino)-acetic acid

(S)-3-[(2-Hydroxy-ethyl)-methyl-amino]-piperidine-1-carboxylic acid benzyl ester

(R)-3-[Ethyl-(2-hydroxy-ethyl)-amino]-piperidine-1-carboxylic acid benzyl ester

3-[(2-Hydroxy-ethyl)-isopropyl-amino]-piperidine-1-carboxylic acid benzyl ester

{2-[(2-Hydroxy-ethyl)-isopropyl-amino]-cyclohexyl}-carbamic acid benzyl ester

3-{[(2-Amino-ethyl)-methyl-amino]-methyl}-piperidine-1-carboxylic acid benzyl ester

(R)-3-[(2-Amino-ethyl)-ethyl-amino]-pyrrolidine-1-carboxylic acid benzyl ester

(1R,4R)-{4-[(2-Amino-ethyl)-ethyl-amino]-cyclohexyl}-carbamic acid benzyl ester

3-{[(2-Amino-ethyl)-isopropyl-amino]-methyl}-piperidine-1-carboxylic acid benzyl ester

3-{[(2-Amino-ethyl)-cyclopropyl-amino]-methyl}-pyrrolidine-1-carboxylic acid benzyl ester

(S)-2-Amino-N-(4-oxo-cyclohexyl)-propionamide