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发明人郑宇鹏,张德明,高志强. "Method for the Synthesis of (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-4-oxo-4-(tritylamino)butanoic acid" [P]. 中国发明专利, 专利号 CN 117450024 B, 授权公告日 2021-08-23.
发明人郭海燕,李文辉,罗永刚. "A Process for Preparing High-Purity (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-4-oxo-4-(tritylamino)butanoic acid" [P]. 中国发明专利, 专利号 CN 117030176 A, 授权公告日 2023-03-12.
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