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发明人孙丽萍,张德明,刘建华. "Method for the Synthesis of (S)-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 116823073 A, 授权公告日 2025-05-21.
发明人唐晓军,朱建伟,韩伟. "A Process for Preparing High-Purity (S)-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 116634370 A, 授权公告日 2022-10-21.
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