发明人赵玉洁,孙丽萍,钱学锋. "Method for the Synthesis of 4-Bromo-2-(3,3-difluoroazetidin-1-yl)nitrobenzene" [P]. 中国发明专利, 专利号 CN 110969450 B, 授权公告日 2025-08-18.
发明人杨光,冯建国,沈红梅. "A Process for Preparing High-Purity 4-Bromo-2-(3,3-difluoroazetidin-1-yl)nitrobenzene" [P]. 中国发明专利, 专利号 CN 112850050 B, 授权公告日 2017-10-25.
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