Park J H, Roberts E F, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11567259 B2, 2023-08-05.
发明人冯建国,胡光,徐明华. "Method for the Synthesis of 3-(Ethylthio)pyrimido[4,5-e][1,2,4]triazine-6,8-diol" [P]. 中国发明专利, 专利号 CN 108208010 A, 授权公告日 2021-03-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2015, 1708, (10), 5235-5259.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2016, 687, (10), 8109-8136.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Ethylthio)pyrimido[4,5-e][1,2,4]triazine-6,8-diol Using HRMS and NMR". J. Sep. Sci., 2015, 2448, (4), 491-509.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2022, 1457, 9715-9739.