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

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

[Cyclopropyl-(1-pyridin-2-yl-ethyl)-amino]-acetic acid

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

[(2-Furan-2-yl-2-oxo-ethyl)-isopropyl-amino]-acetic acid

(2-Oxo-2-thiophen-2-yl-ethylamino)-acetic acid

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

(Methyl-thiophen-3-ylmethyl-amino)-acetic acid

(Isopropyl-thiophen-3-ylmethyl-amino)-acetic acid

2-[(2-Chloro-thiazol-5-ylmethyl)-methyl-amino]-ethanol

2-(Methyl-thiazol-5-ylmethyl-amino)-ethanol