发明人胡光,冯建国,唐晓军. "Method for the Synthesis of Dextromethorphan EP Impurity D HBr" [P]. 中国发明专利, 专利号 CN 112848082 B, 授权公告日 2025-01-05.
发明人刘建华,郑宇鹏,王建平. "A Process for Preparing High-Purity Dextromethorphan EP Impurity D HBr" [P]. 中国发明专利, 专利号 CN 113592878 B, 授权公告日 2015-05-16.
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