发明人唐晓军,何建平,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111826324 A, 授权公告日 2020-12-21.
发明人徐明华,钱学锋,周伟. "Method for the Synthesis of 2-((6,8-Dichloro-3-ethyl-4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 108402860 B, 授权公告日 2024-11-25.
发明人胡光,韩伟,冯建国. "A Process for Preparing High-Purity 2-((6,8-Dichloro-3-ethyl-4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 116683877 A, 授权公告日 2017-12-26.
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". Talanta, 2011, 521, (12), 1739-1749.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2019, 516, 1039-1055.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-((6,8-Dichloro-3-ethyl-4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetic acid Using HRMS and NMR". Sci. Total Environ., 2021, 2174, (7), 9299-9315.