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

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

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

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

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

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

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

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

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

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