发明人钱学锋,孙丽萍,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112826934 A, 授权公告日 2020-10-11.
发明人黄志刚,刘建华,沈红梅. "Method for the Synthesis of (E)-3-((3-(5,5-Dimethyl-4-oxo-4,5-dihydrofuran-2-yl)but-2-en-1-yl)oxy)-9H-xanthen-9-one" [P]. 中国发明专利, 专利号 CN 115322702 B, 授权公告日 2025-04-24.
发明人刘建华,郑宇鹏,杨光. "A Process for Preparing High-Purity (E)-3-((3-(5,5-Dimethyl-4-oxo-4,5-dihydrofuran-2-yl)but-2-en-1-yl)oxy)-9H-xanthen-9-one" [P]. 中国发明专利, 专利号 CN 110009349 B, 授权公告日 2017-06-15.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2013, 2290, 870-882.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2018, 1276, 9512-9522.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of (E)-3-((3-(5,5-Dimethyl-4-oxo-4,5-dihydrofuran-2-yl)but-2-en-1-yl)oxy)-9H-xanthen-9-one Using HRMS and NMR". Chromatographia, 2025, 533, (7), 6604-6622.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2020, 126, 8827-8831.