发明人孙丽萍,唐晓军,徐明华. "Method for the Synthesis of (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-5-(benzyloxy)-5-oxopentanoic acid" [P]. 中国发明专利, 专利号 CN 113811556 B, 授权公告日 2023-08-04.
发明人黄志刚,朱建伟,赵玉洁. "A Process for Preparing High-Purity (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-5-(benzyloxy)-5-oxopentanoic acid" [P]. 中国发明专利, 专利号 CN 111346259 A, 授权公告日 2018-11-09.
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