Mueller T C, Lefèvre J P, Nielsen H. "Method for the Synthesis of Methyl 2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetate" [P]. European Patent, EP 3938502 A1, 2025-02-24.
发明人王建平,冯建国,马晓峰. "A Process for Preparing High-Purity Methyl 2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 116965056 B, 授权公告日 2024-11-02.
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". Environ. Sci. Technol., 2017, 713, (5), 5634-5652.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 841, 611-620.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetate Using HRMS and NMR". Chemosphere, 2013, 861, (5), 9028-9047.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2018, 174, (7), 8198-8214.