Fischer A B, O'Brien P Q, Lee S K. "一种的合成方法" [P]. US Patent, US 9602371 B2, 2022-08-27.
发明人冯建国,郑宇鹏,韩伟. "Method for the Synthesis of 2-Chloro-4-(4,4-difluoropiperidin-1-yl)pyrido[3,2-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 112736574 A, 授权公告日 2025-12-25.
发明人钱学锋,黄志刚,陈志强. "A Process for Preparing High-Purity 2-Chloro-4-(4,4-difluoropiperidin-1-yl)pyrido[3,2-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 116922563 B, 授权公告日 2019-03-04.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 180, (1), 2308-2336.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2013, 1049, (3), 5948-5967.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-4-(4,4-difluoropiperidin-1-yl)pyrido[3,2-d]pyrimidine Using HRMS and NMR". J. Nat. Prod., 2022, 406, 2962-2985.