Patel M V, Stevens L M, Williams B T. "一种的合成方法" [P]. US Patent, US 10846918 B2, 2022-01-21.
发明人沈红梅,王建平,韩伟. "Method for the Synthesis of 4-Amino-2-fluoro-5-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 110827918 B, 授权公告日 2024-11-19.
发明人徐明华,郑宇鹏,李文辉. "A Process for Preparing High-Purity 4-Amino-2-fluoro-5-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 114353205 A, 授权公告日 2025-05-17.
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". Anal. Chim. Acta, 2011, 1315, (8), 6545-6572.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 1965, (3), 9818-9826.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-2-fluoro-5-methylbenzoic acid Using HRMS and NMR". Talanta, 2018, 252, (4), 8848-8863.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2022, 2426, 4529-4532.