发明人徐明华,韩伟,林芳. "Method for the Synthesis of Piperaquine Impurity 5" [P]. 中国发明专利, 专利号 CN 116715898 B, 授权公告日 2025-10-08.
发明人张德明,李文辉,高志强. "A Process for Preparing High-Purity Piperaquine Impurity 5" [P]. 中国发明专利, 专利号 CN 108236729 B, 授权公告日 2020-12-17.
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