发明人王建平,高志强,钱学锋. "Method for the Synthesis of 2-(4-Chloro-6-(difluoromethyl)-5-(trifluoromethyl)pyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109029825 A, 授权公告日 2020-02-24.
发明人王建平,周伟,林芳. "A Process for Preparing High-Purity 2-(4-Chloro-6-(difluoromethyl)-5-(trifluoromethyl)pyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110253912 A, 授权公告日 2022-07-13.
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