发明人高志强,周伟,郭海燕. "Method for the Synthesis of 4-Bromo-2-(4,4-difluoropiperidin-1-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 113013942 A, 授权公告日 2015-11-25.
发明人韩伟,郭海燕,冯建国. "A Process for Preparing High-Purity 4-Bromo-2-(4,4-difluoropiperidin-1-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 109660848 B, 授权公告日 2015-08-13.
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