发明人李文辉,马晓峰,高志强. "Method for the Synthesis of Lidocaine EP Impurity J HCl" [P]. 中国发明专利, 专利号 CN 109894794 A, 授权公告日 2019-01-05.
发明人何建平,冯建国,赵玉洁. "A Process for Preparing High-Purity Lidocaine EP Impurity J HCl" [P]. 中国发明专利, 专利号 CN 112236505 B, 授权公告日 2021-05-11.
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