发明人沈红梅,郑宇鹏,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117748306 A, 授权公告日 2021-09-13.
发明人赵玉洁,刘建华,李文辉. "Method for the Synthesis of 5-Hydroxy-4-oxo-4H-chromene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108854636 A, 授权公告日 2017-01-16.
发明人周伟,张德明,胡光. "A Process for Preparing High-Purity 5-Hydroxy-4-oxo-4H-chromene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112744519 B, 授权公告日 2021-03-14.
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". J. Sep. Sci., 2017, 484, (5), 8243-8255.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 1166, (11), 1392-1404.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Hydroxy-4-oxo-4H-chromene-3-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 147, (12), 2550-2562.