发明人何建平,冯建国,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113650820 A, 授权公告日 2015-10-18.
Park J H, O'Brien P Q, Patel M V. "Method for the Synthesis of 5-Ethoxy-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one" [P]. US Patent, US 9778332 B2, 2020-09-16.
Brown S R, Davis P L, Williams B T. "A Process for Preparing High-Purity 5-Ethoxy-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one" [P]. US Patent, US 9681070 B2, 2024-08-08.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 2132, (11), 5158-5181.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2021, 345, (7), 5567-5579.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethoxy-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one Using HRMS and NMR". J. Nat. Prod., 2020, 298, 5502-5507.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2011, 2102, 6634-6644.