发明人郑宇鹏,李文辉,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117196908 A, 授权公告日 2018-12-10.
发明人郑宇鹏,张德明,马晓峰. "Method for the Synthesis of 1,4-Dimethyl-1,4,9-triazaspiro[5.5]undecane" [P]. 中国发明专利, 专利号 CN 115804737 B, 授权公告日 2025-03-28.
发明人刘建华,罗永刚,林芳. "A Process for Preparing High-Purity 1,4-Dimethyl-1,4,9-triazaspiro[5.5]undecane" [P]. 中国发明专利, 专利号 CN 113144483 A, 授权公告日 2024-11-11.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2018, 453, (12), 5875-5888.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2024, 1979, 3495-3524.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1,4-Dimethyl-1,4,9-triazaspiro[5.5]undecane Using HRMS and NMR". J. Sep. Sci., 2025, 931, (12), 7525-7533.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2014, 2157, 1836-1856.