发明人朱建伟,杨光,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117172235 A, 授权公告日 2023-01-02.
发明人冯建国,刘建华,李文辉. "Method for the Synthesis of 3-Ethyl-2-oxo-2H-chromene-6-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 109262821 A, 授权公告日 2020-01-27.
发明人罗永刚,王建平,唐晓军. "A Process for Preparing High-Purity 3-Ethyl-2-oxo-2H-chromene-6-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 110847042 A, 授权公告日 2016-07-07.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 1182, (8), 3944-3970.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2020, 1416, 3265-3293.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-2-oxo-2H-chromene-6-sulfonyl chloride Using HRMS and NMR". Molecules, 2019, 1938, (6), 2066-2079.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2018, 1981, 8122-8126.