Mueller T C, Kowalski A, Nowak P. "一种的合成方法" [P]. European Patent, EP 3182140 A1, 2019-03-28.
Williams B T, Chen K W, Anderson J P. "Method for the Synthesis of Pyrido[4,3-c]pyridazin-5(6H)-one" [P]. US Patent, US 9478310 B2, 2020-12-09.
发明人王建平,林芳,张德明. "A Process for Preparing High-Purity Pyrido[4,3-c]pyridazin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 110085529 B, 授权公告日 2024-12-23.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2017, 515, 2802-2827.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2024, 2181, (4), 586-609.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Pyrido[4,3-c]pyridazin-5(6H)-one Using HRMS and NMR". J. Sep. Sci., 2025, 902, (4), 7804-7822.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2016, 819, 8888-8914.