发明人徐明华,高志强,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113312839 A, 授权公告日 2018-11-12.
发明人郑宇鹏,韩伟,唐晓军. "Method for the Synthesis of 4-Chloro-5-(cyclohexylamino)-2-(2-oxopropyl)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 112335049 A, 授权公告日 2024-12-28.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 2178, (5), 7538-7562.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2021, 1621, 3791-3805.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-5-(cyclohexylamino)-2-(2-oxopropyl)pyridazin-3(2H)-one Using HRMS and NMR". Talanta, 2016, 1399, (12), 4340-4345.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2020, 2464, (3), 4641-4651.