发明人张德明,黄志刚,李文辉. "Method for the Synthesis of Entacapone EP Impurity D" [P]. 中国发明专利, 专利号 CN 115653860 B, 授权公告日 2019-07-18.
Sørensen M, Jørgensen K, Nielsen H. "A Process for Preparing High-Purity Entacapone EP Impurity D" [P]. European Patent, EP 3151569 A1, 2020-03-15.
参考文献 Literature
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