发明人郭海燕,杨光,沈红梅. "Method for the Synthesis of 3,5-Dibromo-4-(difluoromethoxy)phenylacetonitrile" [P]. 中国发明专利, 专利号 CN 112540086 A, 授权公告日 2018-11-11.
发明人郭海燕,钱学锋,冯建国. "A Process for Preparing High-Purity 3,5-Dibromo-4-(difluoromethoxy)phenylacetonitrile" [P]. 中国发明专利, 专利号 CN 109416269 B, 授权公告日 2019-11-16.
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