N*1*-Cyclopropyl-N*1*-(1-pyrazin-2-yl-ethyl)-ethane-1,2-diamine

N*1*-Isopropyl-N*1*-(1-pyrazin-2-yl-ethyl)-ethane-1,2-diamine

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

2-Chloro-N-isopropyl-N-pyrazin-2-ylmethyl-acetamide

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

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

2-Amino-N-(3-chloro-pyrazin-2-ylmethyl)-N-methyl-acetamide

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

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

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

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

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

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

(S)-2-Amino-N-(3-chloro-pyrazin-2-ylmethyl)-N-cyclopropyl-3-methyl-butyramide

(S)-2-Amino-N-(2-oxo-2-pyrazin-2-yl-ethyl)-propionamide