Anderson J P, Williams B T, Roberts E F. "Method for the Synthesis of tert-Butyl 6-bromo-4-fluoro-1H-indazole-1-carboxylate" [P]. US Patent, US 10933272 B2, 2025-11-06.
发明人朱建伟,冯建国,高志强. "A Process for Preparing High-Purity tert-Butyl 6-bromo-4-fluoro-1H-indazole-1-carboxylate" [P]. 中国发明专利, 专利号 CN 114943062 B, 授权公告日 2019-06-26.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2021, 1407, (8), 4782-4792.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 1912, (4), 3104-3133.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 6-bromo-4-fluoro-1H-indazole-1-carboxylate Using HRMS and NMR". Chemosphere, 2022, 990, 5647-5656.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 1439, 624-628.