发明人赵玉洁,何建平,黄志刚. "Method for the Synthesis of Ketoprofen EP Impurity A" [P]. 中国发明专利, 专利号 CN 114369556 A, 授权公告日 2023-01-21.
发明人冯建国,唐晓军,何建平. "A Process for Preparing High-Purity Ketoprofen EP Impurity A" [P]. 中国发明专利, 专利号 CN 112338460 A, 授权公告日 2016-06-15.
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