发明人唐晓军,黄志刚,赵玉洁. "Method for the Synthesis of (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,4-dimethoxyphenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 110667674 A, 授权公告日 2025-08-05.
发明人韩伟,马晓峰,张德明. "A Process for Preparing High-Purity (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,4-dimethoxyphenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 115481604 A, 授权公告日 2015-11-02.
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