Björnsson E, Rossi M, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3924615 A1, 2021-04-16.
发明人郑宇鹏,高志强,陈志强. "Method for the Synthesis of 3-(4,5-Diethoxy-2-nitrobenzylidene)dihydrofuran-2(3H)-one" [P]. 中国发明专利, 专利号 CN 114217546 A, 授权公告日 2022-01-23.
Hughes D C, Thompson G K, Fischer A B. "A Process for Preparing High-Purity 3-(4,5-Diethoxy-2-nitrobenzylidene)dihydrofuran-2(3H)-one" [P]. US Patent, US 11134155 B2, 2024-01-03.
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". Anal. Chem., 2023, 1557, 9141-9145.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2019, 1945, 1070-1074.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4,5-Diethoxy-2-nitrobenzylidene)dihydrofuran-2(3H)-one Using HRMS and NMR". Biomed. Chromatogr., 2017, 388, (10), 3249-3272.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2018, 986, 9807-9821.