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

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

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

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

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

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

(1R,4R)-{4-[Cyclopropyl-(2-hydroxy-ethyl)-amino]-cyclohexyl}-carbamic acid benzyl ester

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

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

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

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