发明人徐明华,冯建国,孙丽萍. "Method for the Synthesis of 6-Fluoro-3-oxo-3,4-Dihydropyrazine-2-Carbonitrile with dicyclohexylamine (1:1)" [P]. 中国发明专利, 专利号 CN 116948585 A, 授权公告日 2015-03-13.
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