发明人王建平,黄志刚,林芳. "Method for the Synthesis of Favipiravir Impurity 11" [P]. 中国发明专利, 专利号 CN 109831545 A, 授权公告日 2022-12-15.
Park J H, Anderson J P, Williams B T. "A Process for Preparing High-Purity Favipiravir Impurity 11" [P]. US Patent, US 11293718 B2, 2019-04-23.
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