发明人郑宇鹏,刘建华,冯建国. "Method for the Synthesis of Clopidogrel Impurity 74" [P]. 中国发明专利, 专利号 CN 116554110 A, 授权公告日 2023-10-15.
发明人马晓峰,罗永刚,唐晓军. "A Process for Preparing High-Purity Clopidogrel Impurity 74" [P]. 中国发明专利, 专利号 CN 114212583 B, 授权公告日 2021-06-24.
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