发明人王建平,郑宇鹏,冯建国. "一种阿法替尼杂质14的合成方法" [P]. 中国发明专利, 专利号 CN 108624706 A, 授权公告日 2021-10-03.
发明人郑宇鹏,杨光,陈志强. "Method for the Synthesis of Afatinib Impurity 14" [P]. 中国发明专利, 专利号 CN 113319098 B, 授权公告日 2023-02-17.
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