2-[Isopropyl-(1-pyrazin-2-yl-ethyl)-amino]-ethanol

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

2-Amino-N-(6-chloro-pyridazin-3-ylmethyl)-N-isopropyl-acetamide

(S)-2-Amino-N-cyclopropyl-N-pyrazin-2-ylmethyl-propionamide

(S)-2-Amino-N-isopropyl-3-methyl-N-(3-methylsulfanyl-pyrazin-2-ylmethyl)-butyramide

(S)-2-Amino-N-cyclopropyl-N-(3-methoxy-pyrazin-2-ylmethyl)-propionamide

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

(S)-2-Amino-3,N-dimethyl-N-(2-oxo-2-pyrazin-2-yl-ethyl)-butyramide

(S)-2-Amino-N-(6-chloro-pyridazin-3-ylmethyl)-N-methyl-propionamide

(Isopropyl-pyrazin-2-ylmethyl-amino)-acetic acid

[(3-Methoxy-pyrazin-2-ylmethyl)-amino]-acetic acid