(S)-2-Amino-1-[(R)-3-(benzyl-cyclopropyl-amino)-piperidin-1-yl]-propan-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

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

(1R,4R)-N-Ethyl-N-[4-(2-hydroxy-ethylamino)-cyclohexyl]-acetamide