发明人杨光,沈红梅,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114780235 A, 授权公告日 2020-05-17.
发明人黄志刚,胡光,周伟. "Method for the Synthesis of N4,N9-Dimethylspermine" [P]. 中国发明专利, 专利号 CN 112356078 B, 授权公告日 2019-10-02.
发明人徐明华,孙丽萍,冯建国. "A Process for Preparing High-Purity N4,N9-Dimethylspermine" [P]. 中国发明专利, 专利号 CN 116720809 A, 授权公告日 2016-02-28.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2025, 1899, 2221-2233.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2017, 2079, (3), 6110-6137.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of N4,N9-Dimethylspermine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 876, (8), 2172-2200.