Stevens L M, Davis P L, Johnson M A. "一种的合成方法" [P]. US Patent, US 9819330 B2, 2018-07-02.
发明人钱学锋,郑宇鹏,刘建华. "Method for the Synthesis of Methyl 4-((8,9-dimethoxy-2-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)butanoate" [P]. 中国发明专利, 专利号 CN 113655839 A, 授权公告日 2016-03-21.
发明人王建平,钱学锋,郑宇鹏. "A Process for Preparing High-Purity Methyl 4-((8,9-dimethoxy-2-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)butanoate" [P]. 中国发明专利, 专利号 CN 115277599 A, 授权公告日 2015-02-25.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2016, 1271, (6), 9145-9162.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2024, 2009, 6425-6450.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-((8,9-dimethoxy-2-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)butanoate Using HRMS and NMR". Anal. Chim. Acta, 2021, 125, (7), 1999-2029.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2019, 2184, (7), 9844-9861.