Johnson M A, Kumar R, Brown S R. "一种的合成方法" [P]. US Patent, US 9097417 B2, 2021-07-28.
发明人周伟,郑宇鹏,胡光. "Method for the Synthesis of 9-(1-Methoxyethyl)-7-methyl-8,9-dihydro-1H-purin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 110748330 B, 授权公告日 2020-07-21.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 1763, (5), 1674-1691.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2014, 1274, (8), 1397-1422.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 9-(1-Methoxyethyl)-7-methyl-8,9-dihydro-1H-purin-6(7H)-one Using HRMS and NMR". Molecules, 2022, 1636, (2), 841-860.