发明人唐晓军,马晓峰,李文辉. "Method for the Synthesis of 6-Oxo-1-(2-phenoxyethyl)-1,6-dihydropyridazine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117950816 A, 授权公告日 2019-07-25.
发明人冯建国,陈志强,郭海燕. "A Process for Preparing High-Purity 6-Oxo-1-(2-phenoxyethyl)-1,6-dihydropyridazine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109872082 A, 授权公告日 2020-09-15.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 1689, 6922-6937.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2015, 2288, (1), 2627-2633.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 6-Oxo-1-(2-phenoxyethyl)-1,6-dihydropyridazine-3-carboxylic acid Using HRMS and NMR". Talanta, 2020, 1683, (5), 7344-7359.