2-Amino-1-(3-bromo-piperidin-1-yl)-ethanone

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

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

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

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

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

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

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

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

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

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

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

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

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

2-Amino-1-[(R)-3-(benzyl-cyclopropyl-amino)-pyrrolidin-1-yl]-ethanone