[(2-Chloro-thiazol-5-ylmethyl)-isopropyl-amino]-acetic acid

2-[(2-Hydroxy-ethyl)-isopropyl-amino]-1-pyrazin-2-yl-ethanone

2-[Cyclopropyl-(2-hydroxy-ethyl)-amino]-1-pyrazin-2-yl-ethanone

2-Chloro-N-methyl-N-pyrazin-2-ylmethyl-acetamide

2-Amino-N-(3-methoxy-pyrazin-2-ylmethyl)-acetamide

2-Amino-N-cyclopropyl-N-(3-methoxy-pyrazin-2-ylmethyl)-acetamide

2-Chloro-N-(2-oxo-2-pyrazin-2-yl-ethyl)-acetamide

2-Amino-N-cyclopropyl-N-(1-pyrazin-2-yl-ethyl)-acetamide

2-Chloro-N-(6-methoxy-pyridazin-3-ylmethyl)-acetamide

2-Amino-N-cyclopropyl-N-(6-methoxy-pyridazin-3-ylmethyl)-acetamide

(S)-2-Amino-N-(3-methylsulfanyl-pyrazin-2-ylmethyl)-propionamide