2-(1-Benzyl-piperidin-3-yloxy)-ethanol

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

2-(4-Dimethylamino-cyclohexyloxy)-ethanol

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

2-(1-Benzyl-piperidin-3-yloxy)-ethylamine

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

2-(1-Benzyl-piperidin-3-ylmethoxy)-ethylamine

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

1-(2-Chloro-acetyl)-pyrrolidin-3-one

1-(2-Amino-acetyl)-piperidin-3-one

2-Amino-1-(4-bromo-piperidin-1-yl)-ethanone

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

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

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

(1R,4R)-{4-[(2-Amino-acetyl)-ethyl-amino]-cyclohexyl}-carbamic acid tert-butylester