发明人孙丽萍,沈红梅,王建平. "Method for the Synthesis of 6-Bromo-2,3-difluoro-4-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 109782125 B, 授权公告日 2025-12-01.
发明人沈红梅,张德明,孙丽萍. "A Process for Preparing High-Purity 6-Bromo-2,3-difluoro-4-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 116245731 A, 授权公告日 2016-09-06.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2015, 850, (1), 1713-1726.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2012, 1779, (12), 8750-8779.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6-Bromo-2,3-difluoro-4-methoxybenzoic acid Using HRMS and NMR". Environ. Sci. Technol., 2022, 820, 6573-6598.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 1105, (10), 8771-8792.