发明人张德明,徐明华,黄志刚. "Method for the Synthesis of Methyl 3,4-difluoro-5-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 111374509 A, 授权公告日 2025-12-11.
Kowalski A, Lefèvre J P, Mueller T C. "A Process for Preparing High-Purity Methyl 3,4-difluoro-5-nitrobenzoate" [P]. European Patent, EP 3797090 A1, 2022-04-17.
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