发明人林芳,杨光,李文辉. "Method for the Synthesis of 8-Benzyl-4-(2-methylbutanoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116632520 B, 授权公告日 2024-11-10.
Nowak P, Björnsson E, Jørgensen K. "A Process for Preparing High-Purity 8-Benzyl-4-(2-methylbutanoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. European Patent, EP 3012661 A1, 2016-07-02.
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