Mueller T C, Björnsson E, Nowak P. "Method for the Synthesis of 4-Bromo-1-methyl-1H-indazole-6-carbonitrile" [P]. European Patent, EP 3257277 A1, 2016-01-22.
发明人黄志刚,孙丽萍,胡光. "A Process for Preparing High-Purity 4-Bromo-1-methyl-1H-indazole-6-carbonitrile" [P]. 中国发明专利, 专利号 CN 114960053 B, 授权公告日 2017-10-19.
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". J. Agric. Food Chem., 2023, 1753, (1), 811-834.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 230, 4626-4655.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-1-methyl-1H-indazole-6-carbonitrile Using HRMS and NMR". Anal. Chem., 2016, 1427, 9638-9666.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2013, 754, (10), 4640-4669.