发明人马晓峰,周伟,王建平. "Method for the Synthesis of 2-(2-Bromo-4-cyano-5-(difluoromethyl)phenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 114177356 B, 授权公告日 2015-03-24.
发明人冯建国,李文辉,赵玉洁. "A Process for Preparing High-Purity 2-(2-Bromo-4-cyano-5-(difluoromethyl)phenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 111100373 B, 授权公告日 2023-10-13.
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