发明人冯建国,林芳,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115099779 A, 授权公告日 2016-04-08.
O'Brien P Q, Roberts E F, Stevens L M. "Method for the Synthesis of Ethyl 3-(pyrimidin-5-yl)-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylate" [P]. US Patent, US 10775698 B2, 2020-06-08.
发明人马晓峰,刘建华,冯建国. "A Process for Preparing High-Purity Ethyl 3-(pyrimidin-5-yl)-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 109091207 B, 授权公告日 2019-02-26.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2010, 2464, 8126-8149.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 1744, (7), 8250-8267.