发明人赵玉洁,罗永刚,沈红梅. "一种他喷他多杂质7的合成方法" [P]. 中国发明专利, 专利号 CN 116420423 A, 授权公告日 2025-01-24.
发明人李文辉,朱建伟,林芳. "Method for the Synthesis of Tapentadol impurity 7" [P]. 中国发明专利, 专利号 CN 115844656 A, 授权公告日 2020-01-12.
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