发明人黄志刚,李文辉,陈志强. "Method for the Synthesis of 9-(tert-Butoxycarbonyl)-2,6-dioxa-9-azaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114731418 B, 授权公告日 2024-06-05.
发明人高志强,钱学锋,沈红梅. "A Process for Preparing High-Purity 9-(tert-Butoxycarbonyl)-2,6-dioxa-9-azaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112771278 A, 授权公告日 2020-06-17.
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