发明人高志强,何建平,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108380713 A, 授权公告日 2018-11-23.
发明人郭海燕,张德明,王建平. "Method for the Synthesis of 2-(6-(Tert-butoxycarbonyl)-6-azaspiro[3.4]Octan-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109782965 B, 授权公告日 2024-02-13.
发明人马晓峰,沈红梅,李文辉. "A Process for Preparing High-Purity 2-(6-(Tert-butoxycarbonyl)-6-azaspiro[3.4]Octan-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 112638766 A, 授权公告日 2025-04-22.
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