发明人刘建华,冯建国,林芳. "Method for the Synthesis of 4-Bromo-2-(3,3-difluoroazetidin-1-yl)benzaldehyde
1779127-23-9" [P]. 中国发明专利, 专利号 CN 117959550 A, 授权公告日 2019-04-05.
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