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发明人马晓峰,唐晓军,王建平. "Method for the Synthesis of 1-[(9H-fluoren-9-ylmethoxy)carbonyl]-3-hydroxyazetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110033922 A, 授权公告日 2020-03-25.
发明人冯建国,张德明,刘建华. "A Process for Preparing High-Purity 1-[(9H-fluoren-9-ylmethoxy)carbonyl]-3-hydroxyazetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114273799 B, 授权公告日 2016-02-14.
参考文献 Literature
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