{4-[(2-Amino-acetyl)-ethyl-amino]-cyclohexyl}-carbamic acid tert-butylester

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

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

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

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

(S)-2-Amino-N-(1-benzyl-piperidin-4-ylmethyl)-3,N-dimethyl-butyramide

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

[1-(2-Chloro-acetyl)-pyrrolidin-3-ylmethyl]-isopropyl-carbamic acid tert-butyl ester

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

[(S)-1-(2-Chloro-acetyl)-pyrrolidin-3-yl]-carbamic acid benzyl ester

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

2-Amino-1-{3-[(benzyl-cyclopropyl-amino)-methyl]-piperidin-1-yl}-ethanone

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

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

4-[(2-Amino-acetyl)-isopropyl-amino]-piperidine-1-carboxylic acid tert-butyl ester