发明人马晓峰,张德明,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116806226 A, 授权公告日 2015-03-24.
发明人郭海燕,杨光,刘建华. "Method for the Synthesis of 4,5-difluorobenzofuran-7-carbaldehyde" [P]. 中国发明专利, 专利号 CN 110596868 A, 授权公告日 2022-05-12.
Lefèvre J P, Kowalski A, Mueller T C. "A Process for Preparing High-Purity 4,5-difluorobenzofuran-7-carbaldehyde" [P]. European Patent, EP 3959240 A1, 2023-08-11.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2025, 221, (3), 7919-7933.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 1235, (2), 6431-6458.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-difluorobenzofuran-7-carbaldehyde Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 681, (1), 631-637.