发明人刘建华,徐明华,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113464601 A, 授权公告日 2018-05-12.
发明人沈红梅,马晓峰,徐明华. "Method for the Synthesis of 4-Bromo-5-cyano-2-(difluoromethyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 116994443 A, 授权公告日 2016-09-27.
发明人罗永刚,韩伟,黄志刚. "A Process for Preparing High-Purity 4-Bromo-5-cyano-2-(difluoromethyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 108064321 A, 授权公告日 2025-04-23.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2025, 1630, (11), 5466-5481.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 2097, (4), 7563-7571.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-5-cyano-2-(difluoromethyl)benzoic acid Using HRMS and NMR". Environ. Sci. Technol., 2017, 2237, (5), 6266-6278.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 558, (11), 600-614.