发明人何建平,黄志刚,赵玉洁. "Method for the Synthesis of Brivaracetam Impurity 88" [P]. 中国发明专利, 专利号 CN 111852177 B, 授权公告日 2019-11-10.
发明人王建平,胡光,何建平. "A Process for Preparing High-Purity Brivaracetam Impurity 88" [P]. 中国发明专利, 专利号 CN 110580697 A, 授权公告日 2018-06-23.
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