Schröder R, Mueller T, Fischer A B. "一种的合成方法" [P]. US Patent, US 11801483 B2, 2025-05-05.
发明人王建平,林芳,韩伟. "Method for the Synthesis of (5R)-4-chloro-5-methyl-6,8-dihydro-5H-pyrido[2,3-d]pyrimidin-7-one" [P]. 中国发明专利, 专利号 CN 112304147 B, 授权公告日 2025-02-25.
发明人陈志强,郭海燕,徐明华. "A Process for Preparing High-Purity (5R)-4-chloro-5-methyl-6,8-dihydro-5H-pyrido[2,3-d]pyrimidin-7-one" [P]. 中国发明专利, 专利号 CN 114069800 B, 授权公告日 2017-05-08.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2022, 1939, 9364-9381.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 785, (8), 8560-8586.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (5R)-4-chloro-5-methyl-6,8-dihydro-5H-pyrido[2,3-d]pyrimidin-7-one Using HRMS and NMR". Talanta, 2014, 1872, (11), 4735-4747.