(S)-2-Amino-1-{4-[(benzyl-cyclopropyl-amino)-methyl]-piperidin-1-yl}-3-methyl-butan-1-one

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

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

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

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

[(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