发明人沈红梅,李文辉,王建平. "Method for the Synthesis of 9-Benzyl-1,4,9-triazaspiro[5.5]Undecan-5-one" [P]. 中国发明专利, 专利号 CN 112906369 A, 授权公告日 2022-09-13.
发明人冯建国,张德明,高志强. "A Process for Preparing High-Purity 9-Benzyl-1,4,9-triazaspiro[5.5]Undecan-5-one" [P]. 中国发明专利, 专利号 CN 110785456 B, 授权公告日 2018-04-11.
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