发明人杨光,李文辉,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109155991 A, 授权公告日 2019-07-19.
Johnson M A, Anderson J P, Thompson G K. "Method for the Synthesis of 7,8-Dimethoxyquinazolin-4-ol" [P]. US Patent, US 9291223 B2, 2024-04-04.
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". Food Chem., 2018, 1971, (4), 1938-1948.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2024, 815, 5339-5369.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 7,8-Dimethoxyquinazolin-4-ol Using HRMS and NMR". Talanta, 2020, 1442, (4), 832-837.