发明人郭海燕,李文辉,黄志刚. "Method for the Synthesis of 1-(4-Ethoxy-2,3-difluorophenyl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 108990045 A, 授权公告日 2023-02-05.
发明人钱学锋,沈红梅,马晓峰. "A Process for Preparing High-Purity 1-(4-Ethoxy-2,3-difluorophenyl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 115094343 B, 授权公告日 2015-01-04.
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