发明人杨光,冯建国,林芳. "Method for the Synthesis of 5-Oxa-2-thia-8-azaspiro[3.5]Nonane 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 111871305 A, 授权公告日 2021-06-07.
发明人马晓峰,李文辉,沈红梅. "A Process for Preparing High-Purity 5-Oxa-2-thia-8-azaspiro[3.5]Nonane 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 112737902 B, 授权公告日 2025-02-03.
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