发明人马晓峰,胡光,何建平. "Method for the Synthesis of Emtricitabine impurity 45" [P]. 中国发明专利, 专利号 CN 111845795 A, 授权公告日 2020-06-24.
发明人冯建国,林芳,刘建华. "A Process for Preparing High-Purity Emtricitabine impurity 45" [P]. 中国发明专利, 专利号 CN 116171679 A, 授权公告日 2017-01-20.
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