发明人李文辉,韩伟,郑宇鹏. "Method for the Synthesis of Edoxaban N-Oxide Monomer Impurity 2" [P]. 中国发明专利, 专利号 CN 117473828 B, 授权公告日 2025-09-12.
发明人郑宇鹏,黄志刚,何建平. "A Process for Preparing High-Purity Edoxaban N-Oxide Monomer Impurity 2" [P]. 中国发明专利, 专利号 CN 116642213 A, 授权公告日 2022-09-12.
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