Yamamoto T, Roberts E F, Patel M V. "一种的合成方法" [P]. US Patent, US 10454809 B2, 2024-06-03.
发明人冯建国,黄志刚,钱学锋. "Method for the Synthesis of 5,5-Difluoro-5,8-dihydro-6H-pyrano[3,4-d]pyrimidin-2-amine" [P]. 中国发明专利, 专利号 CN 113110528 A, 授权公告日 2024-11-10.
发明人李文辉,陈志强,刘建华. "A Process for Preparing High-Purity 5,5-Difluoro-5,8-dihydro-6H-pyrano[3,4-d]pyrimidin-2-amine" [P]. 中国发明专利, 专利号 CN 111708999 A, 授权公告日 2017-10-20.
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". J. Chromatogr. A, 2021, 480, (11), 9238-9256.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2023, 2297, (6), 6460-6490.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5,5-Difluoro-5,8-dihydro-6H-pyrano[3,4-d]pyrimidin-2-amine Using HRMS and NMR". J. Agric. Food Chem., 2025, 1916, (3), 5540-5556.