发明人郑宇鹏,王建平,陈志强. "Method for the Synthesis of 2-Chloro-3,6-difluorocinnamic acid" [P]. 中国发明专利, 专利号 CN 109305601 A, 授权公告日 2019-04-06.
发明人周伟,高志强,黄志刚. "A Process for Preparing High-Purity 2-Chloro-3,6-difluorocinnamic acid" [P]. 中国发明专利, 专利号 CN 111655666 B, 授权公告日 2022-06-23.
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