发明人徐明华,罗永刚,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114889310 A, 授权公告日 2022-08-12.
发明人马晓峰,李文辉,高志强. "Method for the Synthesis of (S)-6-(tert-butoxymethyl)-2-oxa-5,8-diazaspiro[3.5]Nonan-7-one" [P]. 中国发明专利, 专利号 CN 112124608 B, 授权公告日 2019-02-04.
发明人冯建国,徐明华,韩伟. "A Process for Preparing High-Purity (S)-6-(tert-butoxymethyl)-2-oxa-5,8-diazaspiro[3.5]Nonan-7-one" [P]. 中国发明专利, 专利号 CN 109235280 A, 授权公告日 2025-11-26.
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