Mueller T, Yamamoto T, Thompson G K. "一种的合成方法" [P]. US Patent, US 9960235 B2, 2021-02-10.
发明人高志强,刘建华,钱学锋. "Method for the Synthesis of Ethyl 2-((3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 113525475 B, 授权公告日 2022-12-21.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2022, 96, 334-344.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2020, 2158, (10), 8219-8241.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-((3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetate Using HRMS and NMR". Biomed. Chromatogr., 2013, 1968, (3), 2657-2672.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2013, 2479, 861-883.