发明人陈志强,张德明,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111606327 A, 授权公告日 2016-12-14.
发明人朱建伟,李文辉,王建平. "Method for the Synthesis of N-Methyl-2-(2-methyl-4-oxo-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide" [P]. 中国发明专利, 专利号 CN 114684336 B, 授权公告日 2021-03-27.
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". J. Sep. Sci., 2014, 1155, (4), 5258-5266.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 366, 620-635.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of N-Methyl-2-(2-methyl-4-oxo-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide Using HRMS and NMR". Molecules, 2012, 679, (2), 7467-7489.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2010, 636, 7846-7854.