发明人周伟,孙丽萍,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109491307 A, 授权公告日 2016-01-05.
发明人陈志强,徐明华,韩伟. "Method for the Synthesis of 6-Bromo-5-fluoro-2,3-dimethyl-2H-indazole" [P]. 中国发明专利, 专利号 CN 115976927 A, 授权公告日 2022-03-20.
发明人沈红梅,刘建华,王建平. "A Process for Preparing High-Purity 6-Bromo-5-fluoro-2,3-dimethyl-2H-indazole" [P]. 中国发明专利, 专利号 CN 114889305 B, 授权公告日 2015-05-22.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2010, 1777, (3), 9584-9600.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2021, 89, 8507-8537.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 6-Bromo-5-fluoro-2,3-dimethyl-2H-indazole Using HRMS and NMR". Anal. Chim. Acta, 2014, 131, 5103-5120.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2015, 241, 615-638.