发明人朱建伟,王建平,孙丽萍. "一种6-Amino-1-isobutyl-5-(2-methoxy-ethylamino)-1H-pyrimidine-2,4-dione的合成方法" [P]. 中国发明专利, 专利号 CN 115137259 A, 授权公告日 2019-04-14.
发明人徐明华,林芳,李文辉. "Method for the Synthesis of 6-Amino-1-isobutyl-5-(2-methoxy-ethylamino)-1H-pyrimidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 113050286 A, 授权公告日 2020-11-06.
发明人陈志强,黄志刚,李文辉. "A Process for Preparing High-Purity 6-Amino-1-isobutyl-5-(2-methoxy-ethylamino)-1H-pyrimidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 112541993 B, 授权公告日 2021-10-26.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 6-Amino-1-isobutyl-5-(2-methoxy-ethylamino)-1H-pyrimidine-2,4-dione in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 2471, (10), 5373-5380.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-Amino-1-isobutyl-5-(2-methoxy-ethylamino)-1H-pyrimidine-2,4-dione as an Impurity". Biomed. Chromatogr., 2011, 152, (10), 9400-9417.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 6-Amino-1-isobutyl-5-(2-methoxy-ethylamino)-1H-pyrimidine-2,4-dione Using HRMS and NMR". J. Chromatogr. A, 2021, 2265, (1), 9966-9988.