发明人刘建华,郑宇鹏,朱建伟. "一种倍他司汀杂质33的合成方法" [P]. 中国发明专利, 专利号 CN 117141791 A, 授权公告日 2020-03-17.
发明人唐晓军,郭海燕,陈志强. "Method for the Synthesis of Betahistine impurity 33" [P]. 中国发明专利, 专利号 CN 108998798 B, 授权公告日 2025-12-20.
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