[4-(2-Amino-ethoxy)-cyclohexyl]-carbamic acid tert-butyl ester

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

{2-[(2-Amino-acetyl)-methyl-amino]-cyclohexyl}-carbamic acid tert-butyl ester

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

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

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

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

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

[1-(2-Chloro-acetyl)-piperidin-2-ylmethyl]-ethyl-carbamic acid tert-butyl ester

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

[(R)-1-(2-Chloro-acetyl)-pyrrolidin-3-yl]-carbamic acid benzyl ester