发明人沈红梅,张德明,朱建伟. "Method for the Synthesis of (r)-3-((Tert-butoxycarbonyl)amino)-3-(2,4-difluorophenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 115515128 A, 授权公告日 2016-01-09.
发明人李文辉,杨光,唐晓军. "A Process for Preparing High-Purity (r)-3-((Tert-butoxycarbonyl)amino)-3-(2,4-difluorophenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 108929404 B, 授权公告日 2015-07-02.
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