Kowalski A, Rossi M, Martínez F. "Method for the Synthesis of 5-Bromo-7-chlorobenzofuran-2-carboxylic acid" [P]. European Patent, EP 3325832 A1, 2023-02-24.
Jørgensen K, Nielsen H, Sørensen M. "A Process for Preparing High-Purity 5-Bromo-7-chlorobenzofuran-2-carboxylic acid" [P]. European Patent, EP 3669577 A1, 2020-08-25.
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". Phytochemistry, 2019, 826, 1560-1586.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2025, 483, 4041-4057.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-7-chlorobenzofuran-2-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2011, 168, (1), 7096-7100.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2011, 1075, 7043-7055.