发明人林芳,孙丽萍,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116635892 A, 授权公告日 2025-09-10.
发明人高志强,郑宇鹏,沈红梅. "Method for the Synthesis of Methyl 4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114479053 B, 授权公告日 2025-07-22.
发明人王建平,杨光,朱建伟. "A Process for Preparing High-Purity Methyl 4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112874039 A, 授权公告日 2017-10-26.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2023, 1740, (2), 8191-8216.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2019, 1556, 9821-9837.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2011, 250, (4), 9194-9202.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2023, 106, (11), 8574-8595.