发明人何建平,罗永刚,郭海燕. "Method for the Synthesis of Vernakalant Impurity 7" [P]. 中国发明专利, 专利号 CN 115282475 B, 授权公告日 2017-06-11.
发明人杨光,唐晓军,高志强. "A Process for Preparing High-Purity Vernakalant Impurity 7" [P]. 中国发明专利, 专利号 CN 115222902 B, 授权公告日 2020-12-13.
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