发明人钱学锋,冯建国,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117547182 A, 授权公告日 2017-11-26.
发明人朱建伟,何建平,徐明华. "Method for the Synthesis of 7-Bromo-3-ethoxy-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 111016355 A, 授权公告日 2022-02-12.
发明人沈红梅,徐明华,郑宇鹏. "A Process for Preparing High-Purity 7-Bromo-3-ethoxy-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 112525792 B, 授权公告日 2025-05-28.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2014, 564, (3), 5945-5957.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 515, 26-33.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 7-Bromo-3-ethoxy-4H-pyrido[1,2-a]pyrimidin-4-one Using HRMS and NMR". Phytochemistry, 2024, 2157, (6), 638-655.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2017, 760, (9), 3278-3292.