发明人刘建华,赵玉洁,黄志刚. "一种酮洛芬EP杂质E的合成方法" [P]. 中国发明专利, 专利号 CN 112457718 A, 授权公告日 2015-09-10.
发明人郑宇鹏,周伟,何建平. "Method for the Synthesis of Ketoprofen EP Impurity E" [P]. 中国发明专利, 专利号 CN 117105558 A, 授权公告日 2025-10-20.
发明人杨光,冯建国,赵玉洁. "A Process for Preparing High-Purity Ketoprofen EP Impurity E" [P]. 中国发明专利, 专利号 CN 117581407 B, 授权公告日 2022-06-02.
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