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发明人黄志刚,冯建国,赵玉洁. "Method for the Synthesis of tert-Butyl 7-ethynyl-2-azaspiro[3.5]nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116451626 B, 授权公告日 2025-09-13.
发明人郭海燕,马晓峰,罗永刚. "A Process for Preparing High-Purity tert-Butyl 7-ethynyl-2-azaspiro[3.5]nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110917209 A, 授权公告日 2015-11-10.
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