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

{3-[(Benzyl-isopropyl-amino)-methyl]-pyrrolidin-1-yl}-acetic acid

(1R,4R)-[4-(Benzyl-isopropyl-amino)-cyclohexylamino]-acetic acid

[2-(Benzyl-isopropyl-amino)-cyclohexylamino]-acetic acid

[4-(Benzyl-cyclopropyl-amino)-cyclohexylamino]-acetic acid

N-[1-(2-Hydroxy-ethyl)-pyrrolidin-3-yl]-acetamide

N-[1-(2-Hydroxy-ethyl)-pyrrolidin-3-ylmethyl]-acetamide

N-[(R)-1-(2-Hydroxy-ethyl)-pyrrolidin-3-yl]-N-methyl-acetamide

N-[(S)-1-(2-Hydroxy-ethyl)-pyrrolidin-2-ylmethyl]-N-methyl-acetamide

N-[2-(2-Hydroxy-ethylamino)-cyclohexyl]-N-methyl-acetamide

N-Ethyl-N-[(S)-1-(2-hydroxy-ethyl)-piperidin-3-yl]-acetamide