发明人冯建国,郭海燕,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112888138 A, 授权公告日 2025-04-07.
发明人郑宇鹏,沈红梅,何建平. "Method for the Synthesis of 6-((Tert-butoxycarbonyl)amino)-2-oxaspiro[3.3]Heptane-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112454812 B, 授权公告日 2017-08-01.
发明人郑宇鹏,李文辉,郭海燕. "A Process for Preparing High-Purity 6-((Tert-butoxycarbonyl)amino)-2-oxaspiro[3.3]Heptane-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117236733 B, 授权公告日 2020-09-21.
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