发明人朱建伟,胡光,张德明. "一种布立西坦杂质111的合成方法" [P]. 中国发明专利, 专利号 CN 116368381 A, 授权公告日 2019-05-15.
发明人赵玉洁,钱学锋,高志强. "Method for the Synthesis of Brivaracetam impurity 111" [P]. 中国发明专利, 专利号 CN 109396571 A, 授权公告日 2023-10-27.
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