(S)-2-Amino-N-(2-bromo-pyridin-4-ylmethyl)-propionamide

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

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

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

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

(S)-2-Amino-N-isopropyl-N-pyridin-4-ylmethyl-propionamide

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

[(Pyridin-3-ylmethyl)-amino]-acetic acid

{Methyl-[2-oxo-2-(1H-pyrrol-2-yl)-ethyl]-amino}-acetic acid

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

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