发明人罗永刚,郑宇鹏,林芳. "Method for the Synthesis of 5-(2,5-Difluorophenyl)nicotinonitrile" [P]. 中国发明专利, 专利号 CN 115547741 A, 授权公告日 2017-09-12.
发明人王建平,罗永刚,钱学锋. "A Process for Preparing High-Purity 5-(2,5-Difluorophenyl)nicotinonitrile" [P]. 中国发明专利, 专利号 CN 108508956 A, 授权公告日 2018-07-28.
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