发明人林芳,郑宇鹏,李文辉. "Method for the Synthesis of 8-methyl-2-oxa-8-azaspiro[4.5]decane-1,3-dione hydrochloride" [P]. 中国发明专利, 专利号 CN 117484134 B, 授权公告日 2020-10-06.
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