发明人郭海燕,马晓峰,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113662128 A, 授权公告日 2020-05-02.
发明人马晓峰,沈红梅,罗永刚. "Method for the Synthesis of 5-hydroxybenzofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110200526 A, 授权公告日 2023-01-14.
发明人林芳,杨光,刘建华. "A Process for Preparing High-Purity 5-hydroxybenzofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116812380 A, 授权公告日 2023-06-12.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2011, 413, (7), 7176-7203.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 1216, (1), 4231-4255.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-hydroxybenzofuran-3-carboxylic acid Using HRMS and NMR". Anal. Chem., 2012, 227, (2), 3249-3278.