发明人周伟,郭海燕,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116459970 A, 授权公告日 2016-08-16.
发明人王建平,冯建国,赵玉洁. "Method for the Synthesis of Ethyl 4-(benzofuran-2-yl)-2,4-dioxobutanoate" [P]. 中国发明专利, 专利号 CN 114726709 B, 授权公告日 2018-08-22.
发明人沈红梅,李文辉,王建平. "A Process for Preparing High-Purity Ethyl 4-(benzofuran-2-yl)-2,4-dioxobutanoate" [P]. 中国发明专利, 专利号 CN 112026338 A, 授权公告日 2016-05-26.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2014, 923, (9), 4633-4640.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2011, 667, 2394-2402.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(benzofuran-2-yl)-2,4-dioxobutanoate Using HRMS and NMR". J. Sep. Sci., 2017, 1841, 6616-6634.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2012, 812, (11), 6776-6781.