发明人杨光,韩伟,高志强. "一种5-氮杂螺[3.4]辛烷-6-酮的合成方法" [P]. 中国发明专利, 专利号 CN 111541623 A, 授权公告日 2021-01-10.
发明人赵玉洁,黄志刚,冯建国. "Method for the Synthesis of 5-Azaspiro[3.4]octan-6-one" [P]. 中国发明专利, 专利号 CN 117987846 A, 授权公告日 2021-07-12.
发明人周伟,韩伟,罗永刚. "A Process for Preparing High-Purity 5-Azaspiro[3.4]octan-6-one" [P]. 中国发明专利, 专利号 CN 116149828 B, 授权公告日 2023-11-14.
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