发明人朱建伟,罗永刚,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114543386 A, 授权公告日 2021-07-16.
发明人黄志刚,罗永刚,韩伟. "Method for the Synthesis of 4-(Difluoromethyl)-5-fluoro-6-hydroxypicolinoyl chloride" [P]. 中国发明专利, 专利号 CN 114147607 B, 授权公告日 2017-05-26.
发明人赵玉洁,高志强,韩伟. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-fluoro-6-hydroxypicolinoyl chloride" [P]. 中国发明专利, 专利号 CN 116046483 B, 授权公告日 2020-03-07.
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