发明人马晓峰,徐明华,王建平. "Method for the Synthesis of Amlodipine Impurity 54" [P]. 中国发明专利, 专利号 CN 111516014 B, 授权公告日 2019-04-11.
发明人郑宇鹏,李文辉,张德明. "A Process for Preparing High-Purity Amlodipine Impurity 54" [P]. 中国发明专利, 专利号 CN 110203792 A, 授权公告日 2023-08-02.
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