发明人孙丽萍,王建平,徐明华. "Method for the Synthesis of 6-Bromo-7-chloro-1H-indazole" [P]. 中国发明专利, 专利号 CN 112589936 A, 授权公告日 2022-06-08.
发明人王建平,徐明华,唐晓军. "A Process for Preparing High-Purity 6-Bromo-7-chloro-1H-indazole" [P]. 中国发明专利, 专利号 CN 115902559 A, 授权公告日 2016-07-18.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2023, 443, 1794-1821.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 1121, (7), 6355-6378.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 6-Bromo-7-chloro-1H-indazole Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 1528, (11), 1790-1819.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 1643, (12), 3714-3719.