发明人何建平,朱建伟,唐晓军. "Method for the Synthesis of (S)-2-((tert-Butoxycarbonyl)amino)-4-(2,3-difluorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 112903668 B, 授权公告日 2016-08-10.
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