发明人何建平,徐明华,孙丽萍. "Method for the Synthesis of 4-Cyano-6-(difluoromethyl)-2-fluoropyridine-3-carboxaldehyde" [P]. 中国发明专利, 专利号 CN 114944881 B, 授权公告日 2024-03-23.
发明人徐明华,冯建国,陈志强. "A Process for Preparing High-Purity 4-Cyano-6-(difluoromethyl)-2-fluoropyridine-3-carboxaldehyde" [P]. 中国发明专利, 专利号 CN 117522795 B, 授权公告日 2017-02-21.
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". Rapid Commun. Mass Spectrom., 2010, 618, (1), 811-824.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2017, 1284, (6), 6003-6012.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyano-6-(difluoromethyl)-2-fluoropyridine-3-carboxaldehyde Using HRMS and NMR". Anal. Chem., 2012, 158, (12), 3287-3296.