发明人郭海燕,刘建华,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109151887 A, 授权公告日 2022-10-02.
发明人张德明,王建平,刘建华. "Method for the Synthesis of (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(4-ethoxyphenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 111382461 B, 授权公告日 2018-08-21.
发明人黄志刚,冯建国,陈志强. "A Process for Preparing High-Purity (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(4-ethoxyphenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 111573905 A, 授权公告日 2025-06-10.
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