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

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

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

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

N-[1-(2-Hydroxy-ethyl)-piperidin-4-yl]-acetamide

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

N-Ethyl-N-[(S)-1-(2-hydroxy-ethyl)-pyrrolidin-2-ylmethyl]-acetamide

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

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

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

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