发明人李文辉,徐明华,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110177993 A, 授权公告日 2017-11-02.
发明人黄志刚,马晓峰,刘建华. "Method for the Synthesis of α-[2-Chloro-1-hydroxy-1-(hydroxymethyl)ethyl]-7-oxo-3-phenyl-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene-6-acetic Acid Diphenylmethyl Ester" [P]. 中国发明专利, 专利号 CN 110736362 A, 授权公告日 2023-05-17.
发明人马晓峰,李文辉,周伟. "A Process for Preparing High-Purity α-[2-Chloro-1-hydroxy-1-(hydroxymethyl)ethyl]-7-oxo-3-phenyl-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene-6-acetic Acid Diphenylmethyl Ester" [P]. 中国发明专利, 专利号 CN 114227710 B, 授权公告日 2021-08-17.
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