发明人罗永刚,冯建国,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112493140 A, 授权公告日 2025-05-13.
发明人钱学锋,刘建华,冯建国. "Method for the Synthesis of 2-(3-Hydroxy-4-oxo-3,4-dihydro-2-quinazolinyl)benzenecarboxylic acid" [P]. 中国发明专利, 专利号 CN 113302266 B, 授权公告日 2021-06-27.
发明人马晓峰,黄志刚,赵玉洁. "A Process for Preparing High-Purity 2-(3-Hydroxy-4-oxo-3,4-dihydro-2-quinazolinyl)benzenecarboxylic acid" [P]. 中国发明专利, 专利号 CN 112631450 A, 授权公告日 2019-11-09.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2021, 1713, (6), 7230-7239.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2014, 2472, (9), 1677-1705.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3-Hydroxy-4-oxo-3,4-dihydro-2-quinazolinyl)benzenecarboxylic acid Using HRMS and NMR". Talanta, 2018, 453, (9), 2329-2333.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2012, 1295, (7), 9269-9283.