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

[(2-Benzyloxycarbonylamino-cyclohexyl)-methyl-amino]-acetic acid

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

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

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

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

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

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

[(S)-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-N-[2-(benzyl-isopropyl-amino)-cyclohexyl]-acetamide

2-Amino-1-{3-[(benzyl-cyclopropyl-amino)-methyl]-pyrrolidin-1-yl}-ethanone

2-Amino-N-[4-(benzyl-cyclopropyl-amino)-cyclohexyl]-acetamide

(S)-2-Amino-N-[4-(benzyl-isopropyl-amino)-cyclohexyl]-3-methyl-butyramide

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