发明人张德明,朱建伟,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115550814 A, 授权公告日 2022-02-10.
Schröder R, Johansson L, Rossi M. "Method for the Synthesis of Isoxazolo[5,4-d]pyrimidine" [P]. European Patent, EP 3753683 A1, 2025-11-15.
发明人李文辉,高志强,孙丽萍. "A Process for Preparing High-Purity Isoxazolo[5,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 115577409 B, 授权公告日 2022-02-06.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 2084, (9), 8476-8484.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2011, 2468, (10), 4401-4407.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Isoxazolo[5,4-d]pyrimidine Using HRMS and NMR". Biomed. Chromatogr., 2011, 2021, (5), 8072-8081.