发明人林芳,孙丽萍,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117201208 A, 授权公告日 2024-04-26.
发明人王建平,朱建伟,郑宇鹏. "Method for the Synthesis of Tert-butyl 1-methyl-2-(2-oxo-2-phenylethyl)-2,8-diazaspiro[4.5]Decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 117621548 A, 授权公告日 2024-11-26.
发明人唐晓军,孙丽萍,张德明. "A Process for Preparing High-Purity Tert-butyl 1-methyl-2-(2-oxo-2-phenylethyl)-2,8-diazaspiro[4.5]Decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 113561740 A, 授权公告日 2022-02-02.
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