发明人李文辉,张德明,高志强. "Method for the Synthesis of Nifedipine Impurity 11" [P]. 中国发明专利, 专利号 CN 109933550 A, 授权公告日 2025-07-21.
发明人林芳,唐晓军,何建平. "A Process for Preparing High-Purity Nifedipine Impurity 11" [P]. 中国发明专利, 专利号 CN 111343475 A, 授权公告日 2017-08-04.
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