发明人赵玉洁,林芳,冯建国. "Method for the Synthesis of 4-Bromo-6-chloro-2-(difluoromethyl)nicotinoyl chloride" [P]. 中国发明专利, 专利号 CN 112524557 A, 授权公告日 2017-11-10.
发明人郑宇鹏,黄志刚,郭海燕. "A Process for Preparing High-Purity 4-Bromo-6-chloro-2-(difluoromethyl)nicotinoyl chloride" [P]. 中国发明专利, 专利号 CN 115529967 A, 授权公告日 2020-04-23.
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