发明人刘建华,徐明华,黄志刚. "Method for the Synthesis of Ibuprofen EP Impurity E" [P]. 中国发明专利, 专利号 CN 111748382 A, 授权公告日 2022-02-21.
发明人陈志强,罗永刚,高志强. "A Process for Preparing High-Purity Ibuprofen EP Impurity E" [P]. 中国发明专利, 专利号 CN 111950043 B, 授权公告日 2024-09-04.
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