发明人韩伟,林芳,钱学锋. "一种4-溴-3-(二氟甲基)-5-甲基吡啶-2-甲酰氯的合成方法" [P]. 中国发明专利, 专利号 CN 108233673 A, 授权公告日 2015-01-05.
发明人韩伟,孙丽萍,唐晓军. "Method for the Synthesis of 4-Bromo-3-(difluoromethyl)-5-methylpicolinoyl chloride" [P]. 中国发明专利, 专利号 CN 116628883 B, 授权公告日 2025-06-16.
发明人赵玉洁,冯建国,周伟. "A Process for Preparing High-Purity 4-Bromo-3-(difluoromethyl)-5-methylpicolinoyl chloride" [P]. 中国发明专利, 专利号 CN 108204621 B, 授权公告日 2023-06-11.
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