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发明人刘建华,张德明,沈红梅. "Method for the Synthesis of ethyl 2-(3-amino-1-benzhydryl-azetidin-3-yl)-2,2-difluoro-acetate" [P]. 中国发明专利, 专利号 CN 110858107 B, 授权公告日 2016-07-23.
发明人赵玉洁,高志强,沈红梅. "A Process for Preparing High-Purity ethyl 2-(3-amino-1-benzhydryl-azetidin-3-yl)-2,2-difluoro-acetate" [P]. 中国发明专利, 专利号 CN 108885580 A, 授权公告日 2023-08-05.
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