2-Amino-1-[(S)-3-(benzyl-ethyl-amino)-pyrrolidin-1-yl]-ethanone

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

(1R,4R)-(S)-2-Amino-N-[4-(benzyl-isopropyl-amino)-cyclohexyl]-propionamide

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

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

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

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

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

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

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

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