发明人林芳,冯建国,郭海燕. "Method for the Synthesis of 6-Bromo-3-chloro-4-nitro-2H-indazole" [P]. 中国发明专利, 专利号 CN 111611663 B, 授权公告日 2020-07-01.
Björnsson E, Kowalski A, Rossi M. "A Process for Preparing High-Purity 6-Bromo-3-chloro-4-nitro-2H-indazole" [P]. European Patent, EP 3064054 A1, 2017-07-07.
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". Chromatographia, 2024, 1980, 4160-4175.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2012, 1856, (7), 7079-7098.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 6-Bromo-3-chloro-4-nitro-2H-indazole Using HRMS and NMR". Sci. Total Environ., 2010, 2479, (7), 9091-9114.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 541, 9660-9690.