发明人何建平,徐明华,高志强. "Method for the Synthesis of Tert-butyl 7-oxa-6-thia-5-azaspiro[3.4]Octane-5-carboxylate 6,6-dioxide" [P]. 中国发明专利, 专利号 CN 114455252 B, 授权公告日 2022-12-19.
发明人王建平,黄志刚,沈红梅. "A Process for Preparing High-Purity Tert-butyl 7-oxa-6-thia-5-azaspiro[3.4]Octane-5-carboxylate 6,6-dioxide" [P]. 中国发明专利, 专利号 CN 111109380 B, 授权公告日 2025-08-03.
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