发明人何建平,唐晓军,黄志刚. "Method for the Synthesis of Benzyl 4-(((3,4-dimethoxyphenyl)amino)methyl)-4-hydroxypiperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109441039 A, 授权公告日 2020-02-10.
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