发明人徐明华,马晓峰,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109549464 A, 授权公告日 2017-08-18.
发明人黄志刚,郭海燕,郑宇鹏. "Method for the Synthesis of 2,5-Difluoro-4-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 115999571 B, 授权公告日 2016-05-04.
发明人胡光,孙丽萍,杨光. "A Process for Preparing High-Purity 2,5-Difluoro-4-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 110083189 B, 授权公告日 2017-04-09.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2017, 466, (3), 1628-1645.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2024, 2424, (11), 1305-1308.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2,5-Difluoro-4-methoxybenzoic acid Using HRMS and NMR". Biomed. Chromatogr., 2021, 2019, 8398-8413.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 1102, (12), 9864-9879.