Mueller T, Lee S K, Yamamoto T. "一种的合成方法" [P]. US Patent, US 11406829 B2, 2021-12-19.
发明人孙丽萍,何建平,赵玉洁. "Method for the Synthesis of 6,7-Dimethoxy-2-methylquinazoline-4(1H)-thione" [P]. 中国发明专利, 专利号 CN 111311704 A, 授权公告日 2024-02-02.
发明人沈红梅,王建平,郭海燕. "A Process for Preparing High-Purity 6,7-Dimethoxy-2-methylquinazoline-4(1H)-thione" [P]. 中国发明专利, 专利号 CN 115635295 A, 授权公告日 2023-07-15.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2025, 241, 1079-1086.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2010, 2330, (7), 3028-3044.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6,7-Dimethoxy-2-methylquinazoline-4(1H)-thione Using HRMS and NMR". J. Nat. Prod., 2023, 607, (2), 2684-2694.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 1712, (9), 5622-5636.