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

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

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

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

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

[1-(2-Amino-ethyl)-piperidin-4-yl]-cyclopropyl-carbamic acid benzyl ester

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

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

(S)-2-Amino-1-[(R)-3-(benzyl-cyclopropyl-amino)-pyrrolidin-1-yl]-3-methyl-butan-1-one

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

(1R,4R)-{4-[(2-Amino-acetyl)-isopropyl-amino]-cyclohexyl}-carbamic acid tert-butyl ester