发明人孙丽萍,马晓峰,郑宇鹏. "Method for the Synthesis of 2-(Tert-butoxycarbonyl)-2-azaspiro[3.5]Nonane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116443649 A, 授权公告日 2021-02-23.
发明人朱建伟,王建平,陈志强. "A Process for Preparing High-Purity 2-(Tert-butoxycarbonyl)-2-azaspiro[3.5]Nonane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115773622 A, 授权公告日 2023-07-22.
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