发明人罗永刚,沈红梅,周伟. "Method for the Synthesis of 2-(6-Bromo-5-chloro-4-(difluoromethyl)pyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115182480 B, 授权公告日 2019-10-22.
发明人王建平,张德明,马晓峰. "A Process for Preparing High-Purity 2-(6-Bromo-5-chloro-4-(difluoromethyl)pyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115329520 A, 授权公告日 2019-12-23.
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