发明人刘建华,黄志刚,杨光. "Method for the Synthesis of Betahistine impurity 41" [P]. 中国发明专利, 专利号 CN 116364403 B, 授权公告日 2018-10-17.
发明人杨光,周伟,唐晓军. "A Process for Preparing High-Purity Betahistine impurity 41" [P]. 中国发明专利, 专利号 CN 112481819 A, 授权公告日 2024-05-19.
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