发明人钱学锋,何建平,唐晓军. "Method for the Synthesis of 4-Amino-5-chloro-2,3-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 117835032 B, 授权公告日 2024-04-02.
发明人冯建国,张德明,陈志强. "A Process for Preparing High-Purity 4-Amino-5-chloro-2,3-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 114073797 B, 授权公告日 2023-12-24.
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