发明人韩伟,何建平,唐晓军. "Method for the Synthesis of 8-Ethyl-4-(2-methylbenzoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117108852 B, 授权公告日 2020-10-13.
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