发明人何建平,冯建国,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115768576 A, 授权公告日 2023-05-24.
发明人朱建伟,林芳,沈红梅. "Method for the Synthesis of (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,5-difluorophenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 113576309 B, 授权公告日 2020-10-19.
发明人何建平,郑宇鹏,徐明华. "A Process for Preparing High-Purity (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,5-difluorophenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 115884284 A, 授权公告日 2020-07-23.
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