N*1*-(6-Chloro-pyridazin-3-ylmethyl)-N*1*-cyclopropyl-ethane-1,2-diamine

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

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

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

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

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

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

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

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

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

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