发明人韩伟,孙丽萍,陈志强. "Method for the Synthesis of 2-(Chloromethyl)-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 113866857 A, 授权公告日 2018-08-07.
发明人王建平,林芳,钱学锋. "A Process for Preparing High-Purity 2-(Chloromethyl)-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 109149780 A, 授权公告日 2016-04-15.
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