发明人张德明,黄志刚,何建平. "Method for the Synthesis of Milnacipran Impurity 4" [P]. 中国发明专利, 专利号 CN 113323645 A, 授权公告日 2018-10-07.
发明人赵玉洁,杨光,沈红梅. "A Process for Preparing High-Purity Milnacipran Impurity 4" [P]. 中国发明专利, 专利号 CN 108071420 B, 授权公告日 2021-04-11.
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