Nielsen H, Sørensen M, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3477199 A1, 2025-12-27.
发明人高志强,黄志刚,韩伟. "Method for the Synthesis of 5,6,7-Trimethoxy-2-(methylthio)quinazolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 109139799 B, 授权公告日 2022-11-26.
Thompson G K, Lee S K, O'Brien P Q. "A Process for Preparing High-Purity 5,6,7-Trimethoxy-2-(methylthio)quinazolin-4(1H)-one" [P]. US Patent, US 10803624 B2, 2025-06-21.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2010, 1768, 9700-9708.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 631, (3), 2081-2109.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5,6,7-Trimethoxy-2-(methylthio)quinazolin-4(1H)-one Using HRMS and NMR". J. Sep. Sci., 2011, 344, (7), 2300-2309.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2016, 1935, 6336-6346.