发明人王建平,郑宇鹏,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115320097 A, 授权公告日 2023-09-21.
发明人韩伟,沈红梅,胡光. "Method for the Synthesis of 5-(((9H-fluoren-9-yl)methoxy)carbonyl)-5-azaspiro[2.3]Hexane-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112108452 B, 授权公告日 2018-04-05.
发明人钱学锋,朱建伟,杨光. "A Process for Preparing High-Purity 5-(((9H-fluoren-9-yl)methoxy)carbonyl)-5-azaspiro[2.3]Hexane-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110215377 A, 授权公告日 2025-11-20.
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