Schröder R, Williams B T, Klinger H. "一种【停用,管控下架】右美沙芬EP杂质B的合成方法" [P]. US Patent, US 11357382 B2, 2024-01-17.
发明人王建平,徐明华,黄志刚. "Method for the Synthesis of Dextromethorphan EP Impurity B" [P]. 中国发明专利, 专利号 CN 117830995 A, 授权公告日 2022-03-09.
发明人郑宇鹏,黄志刚,赵玉洁. "A Process for Preparing High-Purity Dextromethorphan EP Impurity B" [P]. 中国发明专利, 专利号 CN 110296779 B, 授权公告日 2024-07-11.
参考文献 Literature
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