Williams B T, Lee S K, Anderson J P. "一种的合成方法" [P]. US Patent, US 10231598 B2, 2015-06-03.
Mueller T, Williams B T, Kumar R. "Method for the Synthesis of 5-Chloro-1-methyl-6-oxo-1,6-dihydropyridazine-4-carbaldehyde" [P]. US Patent, US 9634748 B2, 2018-05-26.
发明人杨光,韩伟,徐明华. "A Process for Preparing High-Purity 5-Chloro-1-methyl-6-oxo-1,6-dihydropyridazine-4-carbaldehyde" [P]. 中国发明专利, 专利号 CN 115209100 A, 授权公告日 2020-12-07.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2016, 154, (7), 9965-9971.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2013, 190, 4695-4702.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-1-methyl-6-oxo-1,6-dihydropyridazine-4-carbaldehyde Using HRMS and NMR". Chemosphere, 2014, 303, (5), 2276-2297.