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发明人孙丽萍,马晓峰,沈红梅. "Method for the Synthesis of Methyl 4-ethoxy-2,3-difluorobenzoate" [P]. 中国发明专利, 专利号 CN 116147836 A, 授权公告日 2021-04-02.
发明人唐晓军,胡光,周伟. "A Process for Preparing High-Purity Methyl 4-ethoxy-2,3-difluorobenzoate" [P]. 中国发明专利, 专利号 CN 117059767 A, 授权公告日 2021-12-27.
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