发明人李文辉,张德明,郭海燕. "Method for the Synthesis of Vernakalant Impurity 5" [P]. 中国发明专利, 专利号 CN 114366961 B, 授权公告日 2022-08-14.
发明人郭海燕,朱建伟,胡光. "A Process for Preparing High-Purity Vernakalant Impurity 5" [P]. 中国发明专利, 专利号 CN 111465010 B, 授权公告日 2020-05-22.
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