3-{[(2-Amino-acetyl)-methyl-amino]-methyl}-piperidine-1-carboxylic acid tert-butyl ester

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

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

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

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

{2-[Cyclopropyl-(2-hydroxy-ethyl)-amino]-cyclohexyl}-carbamic acid benzyl ester

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

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

[(R)-1-(2-Chloro-acetyl)-piperidin-3-yl]-isopropyl-carbamic acid tert-butyl ester

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

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

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

2-Amino-1-[(R)-3-(benzyl-cyclopropyl-amino)-piperidin-1-yl]-ethanone

2-Amino-1-{2-[(benzyl-cyclopropyl-amino)-methyl]-piperidin-1-yl}-ethanone

(S)-2-Amino-1-{(S)-2-[(benzyl-cyclopropyl-amino)-methyl]-pyrrolidin-1-yl}-3-methyl-butan-1-one