发明人冯建国,马晓峰,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114025321 A, 授权公告日 2023-06-01.
Chen K W, Williams B T, Lee S K. "Method for the Synthesis of 8-tert-Butyl-4-(3,5-difluorobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid" [P]. US Patent, US 11156231 B2, 2019-04-20.
发明人郑宇鹏,张德明,郭海燕. "A Process for Preparing High-Purity 8-tert-Butyl-4-(3,5-difluorobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113841713 B, 授权公告日 2025-02-17.
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