1-(2-Amino-acetyl)-piperidin-4-one

3-(Carboxymethyl-methyl-amino)-piperidine-1-carboxylic acid benzyl ester

2-[(Carboxymethyl-methyl-amino)-methyl]-piperidine-1-carboxylic acid benzyl ester

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

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

(S)-2-Amino-N-((R)-1-benzyl-piperidin-3-yl)-3,N-dimethyl-butyramide

(S)-2-Amino-N-(1-benzyl-pyrrolidin-3-yl)-N-ethyl-3-methyl-butyramide

[1-(2-Chloro-acetyl)-piperidin-4-ylmethyl]-ethyl-carbamic acid tert-butyl ester

[2-(2-Chloro-acetylamino)-cyclohexyl]-ethyl-carbamic acid tert-butyl ester

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

[1-(2-Amino-ethyl)-piperidin-4-yl]-cyclopropyl-carbamic acid benzyl ester