发明人高志强,何建平,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112739366 A, 授权公告日 2022-08-01.
发明人何建平,张德明,胡光. "Method for the Synthesis of 3-(4-Chlorophenyl)-1,4,8-triazaspiro[4.5]Dec-3-en-2-one" [P]. 中国发明专利, 专利号 CN 109001847 B, 授权公告日 2023-01-21.
发明人黄志刚,沈红梅,孙丽萍. "A Process for Preparing High-Purity 3-(4-Chlorophenyl)-1,4,8-triazaspiro[4.5]Dec-3-en-2-one" [P]. 中国发明专利, 专利号 CN 113216709 A, 授权公告日 2019-03-18.
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