发明人李文辉,王建平,周伟. "Method for the Synthesis of 8-(Tert-butoxycarbonyl)-3,3-difluoro-8-azaspiro[4.5]Decane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116980773 A, 授权公告日 2022-11-07.
发明人韩伟,冯建国,高志强. "A Process for Preparing High-Purity 8-(Tert-butoxycarbonyl)-3,3-difluoro-8-azaspiro[4.5]Decane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110830311 B, 授权公告日 2015-06-16.
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