Yamamoto T, Thompson G K, Anderson J P. "一种的合成方法" [P]. US Patent, US 10204998 B2, 2019-01-19.
Rossi M, Sørensen M, Nielsen H. "Method for the Synthesis of 4-Bromo-5-chloro-6-fluoro-1H-indazole" [P]. European Patent, EP 3297571 A1, 2017-02-15.
发明人赵玉洁,陈志强,杨光. "A Process for Preparing High-Purity 4-Bromo-5-chloro-6-fluoro-1H-indazole" [P]. 中国发明专利, 专利号 CN 114180579 B, 授权公告日 2018-05-24.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2024, 90, (8), 9206-9231.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2013, 1630, (12), 3847-3864.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-5-chloro-6-fluoro-1H-indazole Using HRMS and NMR". Chromatographia, 2013, 2436, (3), 714-736.