Martínez F, Rossi M, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3222329 A1, 2015-09-20.
发明人钱学锋,陈志强,韩伟. "Method for the Synthesis of 5-Chloro-7-fluoro-1H-indazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116957972 B, 授权公告日 2020-10-10.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2014, 1063, 8021-8042.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 2154, (6), 4040-4059.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-7-fluoro-1H-indazol-3(2H)-one Using HRMS and NMR". J. Chromatogr. A, 2022, 2005, 6844-6851.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2024, 155, (2), 4791-4811.