2-Amino-N-(4-oxo-cyclohexyl)-acetamide

(S)-3-(2-Amino-acetylamino)-piperidine-1-carboxylic acid tert-butyl ester

4-{[(2-Amino-acetyl)-methyl-amino]-methyl}-piperidine-1-carboxylic acid tert-butyl ester

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

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

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

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

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

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

[1-(2-Chloro-acetyl)-piperidin-3-yl]-isopropyl-carbamic acid tert-butyl ester

[(S)-1-(2-Chloro-acetyl)-pyrrolidin-3-yl]-isopropyl-carbamic acid tert-butyl ester