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

(S)-2-Amino-3,N-dimethyl-N-(1-pyridin-2-yl-ethyl)-butyramide

2-Amino-N-cyclopropyl-N-pyridin-2-ylmethyl-acetamide

(S)-2-Amino-N-methyl-N-pyridin-3-ylmethyl-propionamide

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

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

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

(Isopropyl-pyridin-2-ylmethyl-amino)-acetic acid

(Cyclopropyl-pyridin-3-ylmethyl-amino)-acetic acid

[Methyl-(2-oxo-2-thiophen-2-yl-ethyl)-amino]-acetic acid

[Methyl-(1-thiazol-2-yl-ethyl)-amino]-acetic acid