发明人赵玉洁,陈志强,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109121204 A, 授权公告日 2017-11-05.
发明人沈红梅,马晓峰,郭海燕. "Method for the Synthesis of 1,4-Dihydropyrido[3,2-d]pyrimidin-4-ol" [P]. 中国发明专利, 专利号 CN 110090386 A, 授权公告日 2025-01-12.
发明人郭海燕,钱学锋,徐明华. "A Process for Preparing High-Purity 1,4-Dihydropyrido[3,2-d]pyrimidin-4-ol" [P]. 中国发明专利, 专利号 CN 114476447 A, 授权公告日 2024-10-20.
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., 2014, 2310, (3), 4570-4578.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2020, 1070, 5953-5965.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 1,4-Dihydropyrido[3,2-d]pyrimidin-4-ol Using HRMS and NMR". J. Agric. Food Chem., 2021, 1119, 9958-9987.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 1810, (5), 9066-9091.