发明人马晓峰,林芳,冯建国. "Method for the Synthesis of 4-(2,2-Difluoroethoxy)-2-fluorobenzonitrile" [P]. 中国发明专利, 专利号 CN 116474354 B, 授权公告日 2022-01-02.
发明人钱学锋,杨光,张德明. "A Process for Preparing High-Purity 4-(2,2-Difluoroethoxy)-2-fluorobenzonitrile" [P]. 中国发明专利, 专利号 CN 110165942 A, 授权公告日 2018-05-13.
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