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

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

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

(1R,4R)-[4-(2-Amino-acetylamino)-cyclohexyl]-carbamic acid tert-butyl ester

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

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

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

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

3-{[(2-Amino-ethyl)-methyl-amino]-methyl}-pyrrolidine-1-carboxylic acid benzyl ester

(S)-2-Amino-N-(1-benzyl-piperidin-4-ylmethyl)-3,N-dimethyl-butyramide

(S)-2-Amino-N-((R)-1-benzyl-piperidin-3-yl)-N-ethyl-3-methyl-butyramide