Fischer A B, Yamamoto T, Chen K W. "一种的合成方法" [P]. US Patent, US 11812913 B2, 2020-10-17.
发明人唐晓军,钱学锋,孙丽萍. "Method for the Synthesis of Ethyl 3-bromo-4-(difluoromethoxy)benzoate" [P]. 中国发明专利, 专利号 CN 115524333 A, 授权公告日 2021-10-16.
Johansson L, Nowak P, Lefèvre J P. "A Process for Preparing High-Purity Ethyl 3-bromo-4-(difluoromethoxy)benzoate" [P]. European Patent, EP 3696295 A1, 2019-05-19.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2017, 134, (10), 1700-1716.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2020, 2018, (1), 7868-7898.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-bromo-4-(difluoromethoxy)benzoate Using HRMS and NMR". Talanta, 2011, 551, 696-717.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2015, 2372, (2), 3887-3912.