发明人马晓峰,杨光,林芳. "Method for the Synthesis of 1-(9H-Fluoren-9-ylmethyl) 4-methyl piperidine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113747895 B, 授权公告日 2018-05-21.
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