发明人郑宇鹏,沈红梅,陈志强. "Method for the Synthesis of Bupropion Impurity 49" [P]. 中国发明专利, 专利号 CN 108202454 B, 授权公告日 2021-12-23.
发明人杨光,徐明华,李文辉. "A Process for Preparing High-Purity Bupropion Impurity 49" [P]. 中国发明专利, 专利号 CN 117499264 B, 授权公告日 2023-10-19.
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