发明人周伟,朱建伟,胡光. "Method for the Synthesis of 2,3-Difluoro-6-methoxybenzoic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 116764874 A, 授权公告日 2023-12-12.
发明人何建平,张德明,郑宇鹏. "A Process for Preparing High-Purity 2,3-Difluoro-6-methoxybenzoic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 114965971 A, 授权公告日 2023-05-11.
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