发明人张德明,何建平,郑宇鹏. "Method for the Synthesis of Betahistine impurity 02 HCl" [P]. 中国发明专利, 专利号 CN 112300051 B, 授权公告日 2020-03-18.
发明人冯建国,赵玉洁,陈志强. "A Process for Preparing High-Purity Betahistine impurity 02 HCl" [P]. 中国发明专利, 专利号 CN 108507960 A, 授权公告日 2020-03-19.
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