发明人孙丽萍,刘建华,高志强. "Method for the Synthesis of 3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 111359380 A, 授权公告日 2018-08-25.
Schröder R, Nielsen H, Jørgensen K. "A Process for Preparing High-Purity 3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxamide" [P]. European Patent, EP 3504099 A1, 2023-07-22.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2018, 1623, (10), 6020-6036.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2022, 1513, 4033-4048.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxamide Using HRMS and NMR". J. Chromatogr. A, 2021, 1317, 301-328.