发明人马晓峰,黄志刚,沈红梅. "Method for the Synthesis of (S)-5-methyl-7-oxa-2-azaspiro[3.5]Nonane hydrochloride" [P]. 中国发明专利, 专利号 CN 113195395 A, 授权公告日 2017-05-19.
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