发明人张德明,冯建国,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115067449 A, 授权公告日 2021-01-05.
发明人何建平,高志强,林芳. "Method for the Synthesis of 6-Chloro-N-(3,5-difluorophenyl)pyridine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 110335165 A, 授权公告日 2023-03-02.
发明人周伟,徐明华,赵玉洁. "A Process for Preparing High-Purity 6-Chloro-N-(3,5-difluorophenyl)pyridine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 115753571 A, 授权公告日 2021-08-05.
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