Björnsson E, Sørensen M, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3766719 A1, 2025-09-09.
发明人周伟,刘建华,钱学锋. "Method for the Synthesis of 6-Bromo-4-fluoro-1H-indazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116590366 B, 授权公告日 2024-05-02.
Lefèvre J P, Sørensen M, Martínez F. "A Process for Preparing High-Purity 6-Bromo-4-fluoro-1H-indazole-3-carboxylic acid" [P]. European Patent, EP 3173046 A1, 2023-05-03.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2014, 1615, 8556-8565.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 2276, (8), 1715-1735.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 6-Bromo-4-fluoro-1H-indazole-3-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2024, 169, (6), 5574-5600.