发明人赵玉洁,李文辉,杨光. "Method for the Synthesis of 6-Chloro-1-benzofuran-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 112802316 A, 授权公告日 2022-06-07.
发明人王建平,钱学锋,杨光. "A Process for Preparing High-Purity 6-Chloro-1-benzofuran-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 115791951 A, 授权公告日 2023-08-01.
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