发明人黄志刚,王建平,刘建华. "一种依托考昔杂质64的合成方法" [P]. 中国发明专利, 专利号 CN 111080305 A, 授权公告日 2017-09-02.
发明人郑宇鹏,林芳,郭海燕. "Method for the Synthesis of Etoricoxib impurity 64" [P]. 中国发明专利, 专利号 CN 111118557 A, 授权公告日 2017-01-12.
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