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

[(S)-3-(Benzyl-isopropyl-amino)-piperidin-1-yl]-acetic acid

{2-[(Benzyl-cyclopropyl-amino)-methyl]-pyrrolidin-1-yl}-acetic acid

[4-(Benzyl-cyclopropyl-amino)-piperidin-1-yl]-acetic acid

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

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

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

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

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

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

N-Ethyl-N-[1-(2-hydroxy-ethyl)-piperidin-4-ylmethyl]-acetamide