发明人马晓峰,陈志强,黄志刚. "Method for the Synthesis of Methyl 2,4-diaminofuro[2,3-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 115882875 B, 授权公告日 2022-09-02.
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". Environ. Sci. Technol., 2015, 939, (8), 7522-7550.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2021, 2319, (11), 1691-1702.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2,4-diaminofuro[2,3-d]pyrimidine-6-carboxylate Using HRMS and NMR". Anal. Methods, 2022, 2393, (7), 4995-5011.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2015, 1149, (10), 2213-2217.