发明人罗永刚,林芳,李文辉. "Method for the Synthesis of 9-(4-(4-Aminopiperidin-1-yl)butyl)-N-(2,2,2-trifluoroethyl)-9H-fluorene-9-carboxamide, 97%" [P]. 中国发明专利, 专利号 CN 110995616 A, 授权公告日 2015-06-20.
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