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

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

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

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

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

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

2-Chloro-N-(2-chloro-thiazol-5-ylmethyl)-N-methyl-acetamide

2-Chloro-N-methyl-N-thiazol-5-ylmethyl-acetamide

2-Amino-N-(2-chloro-thiazol-5-ylmethyl)-N-isopropyl-acetamide

(S)-2-Amino-N-(2-chloro-thiazol-5-ylmethyl)-propionamide

(S)-2-Amino-3,N-dimethyl-N-thiazol-5-ylmethyl-butyramide