发明人孙丽萍,张德明,徐明华. "Method for the Synthesis of 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-cycloheptylpropanoic acid" [P]. 中国发明专利, 专利号 CN 115587863 B, 授权公告日 2018-09-14.
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