发明人郭海燕,马晓峰,王建平. "Method for the Synthesis of 2-(Difluoromethyl)-3,6-dihydroxypyridine-4-acetic acid" [P]. 中国发明专利, 专利号 CN 109377903 A, 授权公告日 2022-02-01.
Mueller T, Kumar R, Hughes D C. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3,6-dihydroxypyridine-4-acetic acid" [P]. US Patent, US 10989203 B2, 2016-01-19.
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". Sci. Total Environ., 2023, 739, (6), 4344-4349.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2013, 2049, 3236-3248.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3,6-dihydroxypyridine-4-acetic acid Using HRMS and NMR". Anal. Chem., 2014, 1787, 7567-7571.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2014, 1756, 4511-4531.