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The new pyrazine derivatives exhibiting an antibacterial activity have been synthesized. Initial amidoxime 1 was obtained in the reaction of pyrazinecarbonitrile with hydroxylamine. Upon treatment of amidoxime with methyl iodide O-methyl derivative 2 was formed. Both amidoximes were transformed into imidoyl chlorides 3, 4. Then the chloride atom in those derivatives was substituted with various secondary amines giving appropriate oximes 5-18 and O-methyl-oximes 19 and 20. The obtained compoundspmid:17515328 fatcat:hcacpfutn5hxrip4v6ummghzsm