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

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

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

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

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

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

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

[(S)-1-(2-Chloro-acetyl)-pyrrolidin-2-ylmethyl]-isopropyl-carbamic acid tert-butyl ester

[(R)-1-(2-Amino-ethyl)-pyrrolidin-3-yl]-cyclopropyl-carbamic acid benzyl ester

2-Amino-N-[2-(benzyl-isopropyl-amino)-cyclohexyl]-acetamide

2-Amino-1-{(S)-2-[(benzyl-cyclopropyl-amino)-methyl]-pyrrolidin-1-yl}-ethanone