发明人孙丽萍,赵玉洁,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109769587 A, 授权公告日 2021-02-17.
发明人王建平,罗永刚,杨光. "Method for the Synthesis of 2-(4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)tetrahydro-2H-pyran-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 112892336 B, 授权公告日 2021-03-27.
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