发明人李文辉,罗永刚,何建平. "Method for the Synthesis of Nefopam Impurity 3" [P]. 中国发明专利, 专利号 CN 110646722 A, 授权公告日 2020-05-23.
Brown S R, Kumar R, Stevens L M. "A Process for Preparing High-Purity Nefopam Impurity 3" [P]. US Patent, US 9548845 B2, 2021-04-21.
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