发明人郑宇鹏,徐明华,杨光. "Method for the Synthesis of Troxipide Impurity 27" [P]. 中国发明专利, 专利号 CN 113067716 A, 授权公告日 2018-05-07.
发明人李文辉,马晓峰,刘建华. "A Process for Preparing High-Purity Troxipide Impurity 27" [P]. 中国发明专利, 专利号 CN 111340241 A, 授权公告日 2022-05-24.
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