发明人马晓峰,林芳,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113336551 A, 授权公告日 2022-06-28.
发明人马晓峰,郑宇鹏,郭海燕. "Method for the Synthesis of 2-(5-Bromopyridin-3-yl)-7-chloro-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one" [P]. 中国发明专利, 专利号 CN 114516802 B, 授权公告日 2016-08-04.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2024, 1460, (8), 9488-9512.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2016, 1916, 7214-7229.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(5-Bromopyridin-3-yl)-7-chloro-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one Using HRMS and NMR". Anal. Chem., 2023, 2159, (6), 9311-9323.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 2407, (11), 8533-8544.