发明人孙丽萍,徐明华,马晓峰. "Method for the Synthesis of 2-((1-(((9H-fluoren-9-yl)methoxy)carbonyl)azetidin-3-yl)oxy)acetic acid" [P]. 中国发明专利, 专利号 CN 113008164 A, 授权公告日 2023-03-12.
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