发明人刘建华,罗永刚,赵玉洁. "Method for the Synthesis of 2-(Difluoromethoxy)-3-nitro-5-(pyridin-4-yl)pyridine" [P]. 中国发明专利, 专利号 CN 110317264 A, 授权公告日 2018-01-19.
Kowalski A, Nielsen H, Johansson L. "A Process for Preparing High-Purity 2-(Difluoromethoxy)-3-nitro-5-(pyridin-4-yl)pyridine" [P]. European Patent, EP 3364031 A1, 2018-07-02.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2022, 2202, (1), 7787-7795.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2010, 377, (4), 7044-7069.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethoxy)-3-nitro-5-(pyridin-4-yl)pyridine Using HRMS and NMR". Phytochemistry, 2022, 1131, 1696-1705.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2024, 2167, 2793-2808.