Nielsen H, Lefèvre J P, Mueller T C. "Method for the Synthesis of 4-Oxo-1-(3-(trifluoromethyl)phenyl)-1,4-dihydropyridazine-3-carboxylic acid" [P]. European Patent, EP 3819372 A1, 2022-09-11.
发明人高志强,沈红梅,徐明华. "A Process for Preparing High-Purity 4-Oxo-1-(3-(trifluoromethyl)phenyl)-1,4-dihydropyridazine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109761426 A, 授权公告日 2021-10-21.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2012, 957, 4628-4651.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2016, 2117, (8), 7744-7767.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Oxo-1-(3-(trifluoromethyl)phenyl)-1,4-dihydropyridazine-3-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 452, 2589-2602.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2011, 1551, (11), 856-877.