发明人高志强,林芳,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114820281 A, 授权公告日 2023-09-10.
发明人郭海燕,冯建国,张德明. "Method for the Synthesis of 2-(4-(Difluoromethyl)-3-hydroxy-5-nitropyridin-2-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 110253935 B, 授权公告日 2025-08-04.
发明人周伟,徐明华,冯建国. "A Process for Preparing High-Purity 2-(4-(Difluoromethyl)-3-hydroxy-5-nitropyridin-2-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 109586190 A, 授权公告日 2020-09-26.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 1160, 8183-8211.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2023, 2138, (9), 5271-5281.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-(Difluoromethyl)-3-hydroxy-5-nitropyridin-2-yl)acetonitrile Using HRMS and NMR". J. Sep. Sci., 2014, 2402, 8097-8127.