发明人徐明华,杨光,马晓峰. "Method for the Synthesis of Edoxaban Impurity 117" [P]. 中国发明专利, 专利号 CN 112397426 B, 授权公告日 2025-04-11.
Jørgensen K, Nowak P, Schröder R. "A Process for Preparing High-Purity Edoxaban Impurity 117" [P]. European Patent, EP 3238906 A1, 2023-10-18.
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