发明人何建平,沈红梅,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117437622 A, 授权公告日 2022-08-12.
发明人马晓峰,林芳,郭海燕. "Method for the Synthesis of 6-Ethoxybenzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112233279 B, 授权公告日 2023-05-25.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 1231, 6501-6504.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2025, 1955, 2715-2719.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6-Ethoxybenzofuran-2-carboxylic acid Using HRMS and NMR". Anal. Methods, 2025, 505, (12), 6763-6789.