发明人周伟,杨光,刘建华. "Method for the Synthesis of tert-butyl N-[2-(difluoromethoxy)-4-[3-(dimethylamino)azetidin-1-yl]-5-nitrophenyl]carbamate" [P]. 中国发明专利, 专利号 CN 113263975 A, 授权公告日 2017-06-22.
发明人徐明华,郑宇鹏,孙丽萍. "A Process for Preparing High-Purity tert-butyl N-[2-(difluoromethoxy)-4-[3-(dimethylamino)azetidin-1-yl]-5-nitrophenyl]carbamate" [P]. 中国发明专利, 专利号 CN 109727733 A, 授权公告日 2024-09-26.
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