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发明人马晓峰,高志强,李文辉. "Method for the Synthesis of (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3-(4-(difluoromethyl)phenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 116044317 A, 授权公告日 2017-06-08.
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