发明人朱建伟,徐明华,高志强. "Method for the Synthesis of 4-Acetyl-8-benzyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110801876 A, 授权公告日 2017-02-21.
发明人李文辉,陈志强,韩伟. "A Process for Preparing High-Purity 4-Acetyl-8-benzyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116716041 A, 授权公告日 2025-08-08.
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