发明人胡光,朱建伟,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114211981 A, 授权公告日 2023-06-01.
发明人黄志刚,钱学锋,赵玉洁. "Method for the Synthesis of Ethyl 2-((8-methyl-4-oxo-4H-pyrido[1,2-a][1,3,5]triazin-2-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 114794664 A, 授权公告日 2024-06-20.
发明人沈红梅,陈志强,林芳. "A Process for Preparing High-Purity Ethyl 2-((8-methyl-4-oxo-4H-pyrido[1,2-a][1,3,5]triazin-2-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 112638823 B, 授权公告日 2024-07-03.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2024, 2412, 8689-8695.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2021, 168, (12), 7596-7609.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-((8-methyl-4-oxo-4H-pyrido[1,2-a][1,3,5]triazin-2-yl)thio)acetate Using HRMS and NMR". Talanta, 2019, 991, (4), 2142-2147.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2018, 1084, 9715-9744.