发明人孙丽萍,张德明,刘建华. "Method for the Synthesis of Methyl 5-oxo-1-(piperidin-4-yl)pyrrolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111419330 B, 授权公告日 2018-06-22.
发明人刘建华,陈志强,林芳. "A Process for Preparing High-Purity Methyl 5-oxo-1-(piperidin-4-yl)pyrrolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113165548 B, 授权公告日 2019-06-09.
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