发明人张德明,徐明华,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116534295 A, 授权公告日 2020-08-28.
发明人郭海燕,唐晓军,钱学锋. "Method for the Synthesis of 2,6-difluoro-3-nitro-pyridine" [P]. 中国发明专利, 专利号 CN 111931154 A, 授权公告日 2016-05-12.
发明人张德明,赵玉洁,郭海燕. "A Process for Preparing High-Purity 2,6-difluoro-3-nitro-pyridine" [P]. 中国发明专利, 专利号 CN 117033357 B, 授权公告日 2022-04-08.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2014, 1586, 3764-3782.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 1383, 1772-1783.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2,6-difluoro-3-nitro-pyridine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2015, 1569, (5), 2498-2520.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2020, 688, (11), 3006-3020.