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

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

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

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

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

(S)-2-Amino-N-((S)-1-benzyl-pyrrolidin-2-ylmethyl)-N-ethyl-3-methyl-butyramide