发明人沈红梅,何建平,陈志强. "Method for the Synthesis of tert-Butyl (S)-3,3-difluoro-4-(methylamino)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 114404845 B, 授权公告日 2018-03-17.
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