(S)-2-Amino-N-(2-bromo-pyridin-4-ylmethyl)-3-methyl-butyramide

2-Chloro-N-methyl-N-pyridin-4-ylmethyl-acetamide

(S)-2-Amino-N-methyl-N-(1-pyridin-2-yl-ethyl)-propionamide

(S)-2-Amino-N-isopropyl-3-methyl-N-(1-pyridin-2-yl-ethyl)-butyramide

(S)-2-Amino-N-cyclopropyl-3-methyl-N-pyridin-2-ylmethyl-butyramide

2-Amino-N-isopropyl-N-pyridin-4-ylmethyl-acetamide

(1-Pyridin-2-yl-ethylamino)-acetic acid

[Cyclopropyl-(2-furan-2-yl-2-oxo-ethyl)-amino]-acetic acid

[Isopropyl-(2-oxo-2-thiazol-2-yl-ethyl)-amino]-acetic acid

(Cyclopropyl-furan-2-ylmethyl-amino)-acetic acid

[Isopropyl-(3-methyl-thiophen-2-ylmethyl)-amino]-acetic acid