发明人马晓峰,唐晓军,胡光. "Method for the Synthesis of Perindopril Impurity 111" [P]. 中国发明专利, 专利号 CN 117774599 B, 授权公告日 2021-12-15.
发明人张德明,黄志刚,李文辉. "A Process for Preparing High-Purity Perindopril Impurity 111" [P]. 中国发明专利, 专利号 CN 111655521 B, 授权公告日 2021-08-05.
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