发明人李文辉,陈志强,孙丽萍. "Method for the Synthesis of 4-(Difluoromethyl)-2-fluoro-3-methoxy-6-nitropyridine" [P]. 中国发明专利, 专利号 CN 113352586 B, 授权公告日 2024-05-07.
发明人杨光,冯建国,胡光. "A Process for Preparing High-Purity 4-(Difluoromethyl)-2-fluoro-3-methoxy-6-nitropyridine" [P]. 中国发明专利, 专利号 CN 113141866 B, 授权公告日 2015-04-01.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2024, 872, (6), 2907-2934.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 1906, 8478-8483.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-2-fluoro-3-methoxy-6-nitropyridine Using HRMS and NMR". J. Chromatogr. A, 2021, 1751, 6260-6276.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2019, 686, (6), 2087-2097.