发明人郑宇鹏,张德明,李文辉. "Method for the Synthesis of (R,S)-Norcotinine N-Oxide" [P]. 中国发明专利, 专利号 CN 115793922 A, 授权公告日 2022-04-14.
发明人王建平,杨光,冯建国. "A Process for Preparing High-Purity (R,S)-Norcotinine N-Oxide" [P]. 中国发明专利, 专利号 CN 113378400 A, 授权公告日 2019-10-18.
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