发明人徐明华,张德明,郑宇鹏. "Method for the Synthesis of (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2,6-difluorophenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 117270959 A, 授权公告日 2017-07-18.
发明人林芳,冯建国,钱学锋. "A Process for Preparing High-Purity (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2,6-difluorophenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 116931948 A, 授权公告日 2021-11-23.
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