发明人何建平,赵玉洁,马晓峰. "Method for the Synthesis of (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(o-tolyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 112082829 B, 授权公告日 2022-06-07.
发明人李文辉,郑宇鹏,何建平. "A Process for Preparing High-Purity (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(o-tolyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 108111759 B, 授权公告日 2025-03-05.
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