发明人李文辉,马晓峰,林芳. "Method for the Synthesis of Pregabalin Impurity 5" [P]. 中国发明专利, 专利号 CN 114587573 A, 授权公告日 2018-07-12.
Kumar R, Davis P L, Fischer A B. "A Process for Preparing High-Purity Pregabalin Impurity 5" [P]. US Patent, US 10648028 B2, 2023-08-06.
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