(S)-2-Amino-1-[(S)-3-(benzyl-isopropyl-amino)-piperidin-1-yl]-propan-1-one

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

(S)-2-Amino-N-[4-(benzyl-cyclopropyl-amino)-cyclohexyl]-3-methyl-butyramide

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

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

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

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

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

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

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

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