发明人刘建华,冯建国,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109606337 A, 授权公告日 2023-09-19.
发明人陈志强,李文辉,高志强. "Method for the Synthesis of benzyl (1S,4S)-6-oxo-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113414173 A, 授权公告日 2022-08-04.
发明人张德明,王建平,罗永刚. "A Process for Preparing High-Purity benzyl (1S,4S)-6-oxo-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114018794 A, 授权公告日 2020-06-02.
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