发明人沈红梅,黄志刚,李文辉. "Method for the Synthesis of N-(2-Fluoro-5-(trifluoromethyl)phenyl)pyrazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 113985696 B, 授权公告日 2015-03-07.
发明人郭海燕,杨光,李文辉. "A Process for Preparing High-Purity N-(2-Fluoro-5-(trifluoromethyl)phenyl)pyrazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 113574309 A, 授权公告日 2017-02-07.
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