发明人赵玉洁,何建平,李文辉. "Method for the Synthesis of 3-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)oxetane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114857455 A, 授权公告日 2021-12-11.
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