发明人马晓峰,郭海燕,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110621726 A, 授权公告日 2015-10-09.
Johnson M A, Klinger H, Anderson J P. "Method for the Synthesis of Ethyl 6-(4-(diphenylamino)phenyl)-2-oxo-2H-chromene-3-carboxylate" [P]. US Patent, US 11269342 B2, 2023-08-16.
发明人高志强,刘建华,陈志强. "A Process for Preparing High-Purity Ethyl 6-(4-(diphenylamino)phenyl)-2-oxo-2H-chromene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112995434 A, 授权公告日 2017-01-11.
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". Anal. Methods, 2016, 912, (1), 7433-7448.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2025, 1285, 14-43.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-(4-(diphenylamino)phenyl)-2-oxo-2H-chromene-3-carboxylate Using HRMS and NMR". Anal. Chem., 2010, 982, 3676-3687.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 1952, 5268-5294.