Johnson M A, Williams B T, Thompson G K. "一种的合成方法" [P]. US Patent, US 10748020 B2, 2022-02-26.
发明人徐明华,钱学锋,周伟. "Method for the Synthesis of 4-Chloro-2-(difluoromethyl)-5-methoxy-3-nitropyridine" [P]. 中国发明专利, 专利号 CN 112488087 B, 授权公告日 2016-04-04.
Kumar R, Hughes D C, Chen K W. "A Process for Preparing High-Purity 4-Chloro-2-(difluoromethyl)-5-methoxy-3-nitropyridine" [P]. US Patent, US 11539611 B2, 2024-04-06.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2011, 1892, 6008-6033.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 1131, 4598-4626.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-2-(difluoromethyl)-5-methoxy-3-nitropyridine Using HRMS and NMR". J. Sep. Sci., 2025, 1149, 4066-4085.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2023, 477, (4), 7707-7737.