1-[4-(2-Amino-ethoxymethyl)-piperidin-1-yl]-ethanone

2-(1-Benzyl-piperidin-4-ylmethoxy)-ethylamine

2-Chloro-N-(4-chloro-cyclohexyl)-acetamide

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

2-[(2-Amino-acetylamino)-methyl]-pyrrolidine-1-carboxylic acid tert-butyl ester

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

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

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

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

(1R,4R)-[(4-Benzyloxycarbonylamino-cyclohexyl)-methyl-amino]-acetic acid

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