发明人韩伟,周伟,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114388663 A, 授权公告日 2024-03-13.
发明人高志强,唐晓军,钱学锋. "Method for the Synthesis of (S)-5-benzyl-6-methyl-2-oxa-5,8-diazaspiro[3.5]Nonane" [P]. 中国发明专利, 专利号 CN 117696203 B, 授权公告日 2024-01-26.
发明人何建平,唐晓军,林芳. "A Process for Preparing High-Purity (S)-5-benzyl-6-methyl-2-oxa-5,8-diazaspiro[3.5]Nonane" [P]. 中国发明专利, 专利号 CN 109728284 B, 授权公告日 2022-01-02.
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