1-[3-(2-Hydroxy-ethoxy)-piperidin-1-yl]-ethanone

4-(2-Amino-ethoxymethyl)-piperidine-1-carboxylic acid benzyl ester

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

3-(2-Amino-ethoxymethyl)-piperidine-1-carboxylic acid tert-butyl ester

[4-(2-Amino-ethoxy)-cyclohexyl]-carbamic acid tert-butyl ester

2-Amino-N-(4-oxo-cyclohexyl)-acetamide

2-Amino-N-(4-bromo-cyclohexyl)-acetamide

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

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

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

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