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发明人林芳,马晓峰,张德明. "Method for the Synthesis of (R)-1-((S)-2-(((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-yl)amino)propanoyl)pyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108893632 A, 授权公告日 2020-03-25.
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