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发明人马晓峰,黄志刚,孙丽萍. "Method for the Synthesis of (S)-3-methyl-3-nitro-2-(((S)-1-phenylethyl)amino)butanoic acid" [P]. 中国发明专利, 专利号 CN 113919143 A, 授权公告日 2021-04-14.
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