发明人王建平,陈志强,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115974644 A, 授权公告日 2023-09-05.
发明人郑宇鹏,杨光,林芳. "Method for the Synthesis of 7-Morpholinopyrimido[4,5-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 111911670 B, 授权公告日 2023-10-21.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2015, 2144, 2437-2443.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 1659, 4698-4703.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 7-Morpholinopyrimido[4,5-d]pyrimidin-4-amine Using HRMS and NMR". Molecules, 2016, 1153, 8691-8710.