发明人孙丽萍,王建平,张德明. "Method for the Synthesis of 2-(2-Chloro-5-(difluoromethyl)-3-fluoropyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116911384 B, 授权公告日 2020-01-23.
发明人王建平,徐明华,韩伟. "A Process for Preparing High-Purity 2-(2-Chloro-5-(difluoromethyl)-3-fluoropyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114188904 B, 授权公告日 2021-05-04.
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