发明人郭海燕,韩伟,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113756298 A, 授权公告日 2017-04-20.
Lefèvre J P, Martínez F, Nielsen H. "Method for the Synthesis of 5-formyl-1-benzofuran-2-carboxylic acid" [P]. European Patent, EP 3372929 A1, 2021-12-11.
Nielsen H, Kowalski A, Mueller T C. "A Process for Preparing High-Purity 5-formyl-1-benzofuran-2-carboxylic acid" [P]. European Patent, EP 3326550 A1, 2021-04-23.
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". Anal. Chim. Acta, 2011, 1482, 6647-6665.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 368, 6829-6852.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-formyl-1-benzofuran-2-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 649, 4766-4792.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 1400, 2040-2062.