发明人徐明华,刘建华,郑宇鹏. "Method for the Synthesis of 2-(Difluoromethyl)-5-methoxy-4-methylpyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 112703561 B, 授权公告日 2021-12-13.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 317, (12), 8870-8899.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2018, 1519, (4), 145-155.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-5-methoxy-4-methylpyridine-3-acetic acid Using HRMS and NMR". J. Chromatogr. A, 2022, 501, 8557-8586.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2023, 1298, (2), 3189-3216.