2-Chloro-N-methyl-N-(3-methylsulfanyl-pyrazin-2-ylmethyl)-acetamide

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

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

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

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

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

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

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

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

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

(S)-2-Amino-N-(3-chloro-pyrazin-2-ylmethyl)-3,N-dimethyl-butyramide