发明人李文辉,陈志强,郑宇鹏. "Method for the Synthesis of 3-(Difluoromethoxy)-5-fluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 116153731 B, 授权公告日 2020-06-28.
Lee S K, Klinger H, Davis P L. "A Process for Preparing High-Purity 3-(Difluoromethoxy)-5-fluorobenzoic acid" [P]. US Patent, US 9157040 B2, 2020-05-17.
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