4-{[(2-Hydroxy-ethyl)-methyl-amino]-methyl}-piperidine-1-carboxylic acid benzyl ester

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

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

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

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

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

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

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

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

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

1-((S)-2-Amino-3-methyl-butyryl)-piperidin-4-one