发明人陈志强,杨光,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111823193 A, 授权公告日 2025-11-01.
发明人马晓峰,周伟,冯建国. "Method for the Synthesis of 4-chloro-3-methyl-isoxazolo[4,5-d]pyridazine" [P]. 中国发明专利, 专利号 CN 115597968 A, 授权公告日 2015-11-23.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2014, 1624, 1181-1210.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2022, 1279, (8), 5261-5272.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-chloro-3-methyl-isoxazolo[4,5-d]pyridazine Using HRMS and NMR". Environ. Sci. Technol., 2020, 1753, (8), 3060-3083.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2018, 1935, (1), 8013-8035.