发明人徐明华,赵玉洁,孙丽萍. "一种2-Azaspiro[4.6]undecan-3-one的合成方法" [P]. 中国发明专利, 专利号 CN 111437427 A, 授权公告日 2020-09-07.
发明人王建平,周伟,高志强. "Method for the Synthesis of 2-Azaspiro[4.6]undecan-3-one" [P]. 中国发明专利, 专利号 CN 110572924 A, 授权公告日 2024-12-10.
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