发明人郑宇鹏,王建平,李文辉. "Method for the Synthesis of 5-Chloro-6-fluoro-1-benzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113646695 A, 授权公告日 2023-04-02.
发明人胡光,朱建伟,马晓峰. "A Process for Preparing High-Purity 5-Chloro-6-fluoro-1-benzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109793420 B, 授权公告日 2020-10-17.
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