Nowak P, Nielsen H, Johansson L. "Method for the Synthesis of 1-Bromo-3,4-difluoro-2-methoxy-5-(methoxymethyl)benzene" [P]. European Patent, EP 3831889 A1, 2023-01-26.
Park J H, Davis P L, Stevens L M. "A Process for Preparing High-Purity 1-Bromo-3,4-difluoro-2-methoxy-5-(methoxymethyl)benzene" [P]. US Patent, US 9486848 B2, 2015-05-11.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2011, 1824, 8617-8646.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2014, 1513, 3888-3914.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 1-Bromo-3,4-difluoro-2-methoxy-5-(methoxymethyl)benzene Using HRMS and NMR". Biomed. Chromatogr., 2021, 987, 3371-3383.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2018, 1796, (7), 929-943.