N*1*-Isopropyl-N*1*-(3-methoxy-pyrazin-2-ylmethyl)-ethane-1,2-diamine

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

N*1*-Isopropyl-N*1*-(6-methoxy-pyridazin-3-ylmethyl)-ethane-1,2-diamine

2-Amino-N-cyclopropyl-N-pyrazin-2-ylmethyl-acetamide

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

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

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