发明人胡光,刘建华,李文辉. "Method for the Synthesis of 4-Chloro-5-((4-fluorobenzyl)oxy)-2-methylpyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 115977210 A, 授权公告日 2021-10-26.
发明人韩伟,张德明,沈红梅. "A Process for Preparing High-Purity 4-Chloro-5-((4-fluorobenzyl)oxy)-2-methylpyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 117925315 B, 授权公告日 2023-02-26.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2023, 1179, 6937-6955.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2017, 462, 2691-2708.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-5-((4-fluorobenzyl)oxy)-2-methylpyridazin-3(2H)-one Using HRMS and NMR". J. Sep. Sci., 2019, 1261, 1880-1901.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2023, 2399, 1095-1108.