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

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

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

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

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

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

{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