发明人罗永刚,陈志强,高志强. "Method for the Synthesis of 7-Chloro-1-benzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117402918 A, 授权公告日 2023-08-14.
发明人李文辉,韩伟,周伟. "A Process for Preparing High-Purity 7-Chloro-1-benzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114094593 B, 授权公告日 2023-11-20.
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