发明人林芳,刘建华,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112946055 A, 授权公告日 2023-04-07.
发明人王建平,张德明,林芳. "Method for the Synthesis of 1-(2,9-Diazaspiro[5.5]Undecan-2-yl)ethan-1-one hydrochloride" [P]. 中国发明专利, 专利号 CN 117163678 B, 授权公告日 2016-06-12.
发明人朱建伟,郭海燕,张德明. "A Process for Preparing High-Purity 1-(2,9-Diazaspiro[5.5]Undecan-2-yl)ethan-1-one hydrochloride" [P]. 中国发明专利, 专利号 CN 114695668 A, 授权公告日 2016-08-11.
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