Park J H, Kumar R, Chen K W. "一种的合成方法" [P]. US Patent, US 11292424 B2, 2023-02-21.
发明人陈志强,胡光,何建平. "Method for the Synthesis of 4-Ethoxy-2-ethyl-5-morpholinopyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 108888019 B, 授权公告日 2025-04-24.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 2035, (1), 4715-4725.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 2089, (3), 3504-3520.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethoxy-2-ethyl-5-morpholinopyridazin-3(2H)-one Using HRMS and NMR". J. Agric. Food Chem., 2013, 2246, 4236-4253.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2011, 1512, (3), 9210-9219.