Chen K W, Williams B T, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11685702 B2, 2022-01-12.
发明人郑宇鹏,胡光,罗永刚. "Method for the Synthesis of 3-(2,2-Dimethoxyethyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 111795494 B, 授权公告日 2020-11-08.
发明人沈红梅,冯建国,郑宇鹏. "A Process for Preparing High-Purity 3-(2,2-Dimethoxyethyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 111651887 B, 授权公告日 2021-01-13.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2010, 1127, 9155-9171.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2014, 1922, (4), 364-381.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2,2-Dimethoxyethyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 2437, (10), 3160-3165.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2019, 893, 3922-3931.