发明人冯建国,林芳,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110758454 A, 授权公告日 2016-04-13.
发明人钱学锋,朱建伟,孙丽萍. "Method for the Synthesis of 4-Chloro-2-(3,3-dimethyl-2-oxobutyl)-5-(dimethylamino)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 111565592 B, 授权公告日 2017-04-23.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 1684, 3067-3086.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2020, 1174, (9), 5941-5961.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-2-(3,3-dimethyl-2-oxobutyl)-5-(dimethylamino)pyridazin-3(2H)-one Using HRMS and NMR". J. Nat. Prod., 2025, 1844, (12), 5529-5557.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2011, 2345, (11), 5649-5668.