发明人沈红梅,林芳,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109605091 A, 授权公告日 2019-01-08.
发明人韩伟,郭海燕,周伟. "Method for the Synthesis of 5-Chloro-2-methyl-4-((1-methylpiperidin-3-yl)amino)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 111297854 A, 授权公告日 2019-06-19.
发明人郭海燕,朱建伟,郑宇鹏. "A Process for Preparing High-Purity 5-Chloro-2-methyl-4-((1-methylpiperidin-3-yl)amino)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116745202 A, 授权公告日 2020-10-14.
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". Chemosphere, 2012, 1192, (7), 4237-4252.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 2063, 1535-1554.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-2-methyl-4-((1-methylpiperidin-3-yl)amino)pyridazin-3(2H)-one Using HRMS and NMR". Anal. Chim. Acta, 2014, 867, (10), 838-868.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2017, 2476, (9), 5297-5324.