发明人王建平,何建平,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108494030 A, 授权公告日 2020-11-13.
Park J H, Brown S R, Kumar R. "Method for the Synthesis of 4,7-dichloro-8-fluoro-2-methyl-pyrido[4,3-d]pyrimidine" [P]. US Patent, US 11505898 B2, 2022-04-05.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2022, 1543, 9388-9402.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2023, 1930, (7), 6079-6098.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4,7-dichloro-8-fluoro-2-methyl-pyrido[4,3-d]pyrimidine Using HRMS and NMR". Anal. Methods, 2013, 1740, (9), 2767-2795.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 1990, 6479-6486.