发明人刘建华,陈志强,李文辉. "Method for the Synthesis of Verapamil Impurity 36" [P]. 中国发明专利, 专利号 CN 112509034 B, 授权公告日 2021-06-12.
发明人郭海燕,唐晓军,周伟. "A Process for Preparing High-Purity Verapamil Impurity 36" [P]. 中国发明专利, 专利号 CN 108120848 B, 授权公告日 2024-08-18.
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