发明人徐明华,孙丽萍,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117449171 A, 授权公告日 2022-08-16.
发明人孙丽萍,钱学锋,陈志强. "Method for the Synthesis of 4-Bromo-5-(difluoromethoxy)-1-methyl-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111485341 A, 授权公告日 2023-09-26.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 2101, 2568-2591.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 204, (7), 109-113.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-5-(difluoromethoxy)-1-methyl-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2017, 1967, 536-545.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2025, 268, 7266-7289.