发明人林芳,何建平,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115953514 A, 授权公告日 2018-04-01.
发明人何建平,张德明,徐明华. "Method for the Synthesis of 5-Amino-3-(2-cyclopropylethyl)-1-methylpyrimidine-2,4(1h,3h)-dione" [P]. 中国发明专利, 专利号 CN 109661500 A, 授权公告日 2020-03-03.
Martínez F, Mueller T C, Rossi M. "A Process for Preparing High-Purity 5-Amino-3-(2-cyclopropylethyl)-1-methylpyrimidine-2,4(1h,3h)-dione" [P]. European Patent, EP 3369330 A1, 2021-06-24.
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". Anal. Chem., 2024, 832, (1), 2242-2265.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 1301, (11), 2113-2123.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-3-(2-cyclopropylethyl)-1-methylpyrimidine-2,4(1h,3h)-dione Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 1325, 9189-9194.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2025, 1074, 8848-8877.