发明人钱学锋,胡光,沈红梅. "Method for the Synthesis of 2-(Difluoromethyl)-3-methoxy-5-nitropyridine-4-acetonitrile" [P]. 中国发明专利, 专利号 CN 109918902 A, 授权公告日 2018-03-02.
发明人黄志刚,郑宇鹏,林芳. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-methoxy-5-nitropyridine-4-acetonitrile" [P]. 中国发明专利, 专利号 CN 108391660 A, 授权公告日 2022-02-24.
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