发明人张德明,李文辉,周伟. "Method for the Synthesis of 5-Amino-2,3-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 112425494 B, 授权公告日 2025-07-09.
发明人林芳,陈志强,何建平. "A Process for Preparing High-Purity 5-Amino-2,3-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 114222758 A, 授权公告日 2015-12-11.
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