Lefèvre J P, Martínez F, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3429331 A1, 2025-03-13.
Schröder R, Rossi M, Sørensen M. "Method for the Synthesis of 5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile" [P]. European Patent, EP 3939697 A1, 2015-12-16.
发明人黄志刚,周伟,胡光. "A Process for Preparing High-Purity 5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 114212212 A, 授权公告日 2024-11-27.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 684, (7), 4355-4374.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 1006, 316-340.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-3-oxo-2,3-dihydropyridazine-4-carbonitrile Using HRMS and NMR". Talanta, 2011, 1129, 7400-7426.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 1921, 2519-2531.