(S)-3-(2-Amino-acetylamino)-pyrrolidine-1-carboxylic acid tert-butyl ester

4-{[(2-Amino-acetyl)-ethyl-amino]-methyl}-piperidine-1-carboxylic acid tert-butyl ester

[(2-Benzyloxycarbonylamino-cyclohexyl)-methyl-amino]-acetic acid

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

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

[4-(2-Chloro-acetylamino)-cyclohexyl]-ethyl-carbamic acid tert-butyl ester

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

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

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

2-Amino-N-[4-(benzyl-cyclopropyl-amino)-cyclohexyl]-acetamide

(S)-2-Amino-1-[(R)-3-(benzyl-cyclopropyl-amino)-piperidin-1-yl]-3-methyl-butan-1-one