[(6-Bromo-pyridin-3-ylmethyl)-methyl-amino]-acetic acid

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

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

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

2-Amino-N-methyl-N-pyridin-3-ylmethyl-acetamide

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

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

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

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

(Cyclopropyl-pyridin-4-ylmethyl-amino)-acetic acid

[2-Oxo-2-(1H-pyrrol-2-yl)-ethylamino]-acetic acid