Kowalski A, Nowak P, Johansson L. "一种的合成方法" [P]. European Patent, EP 3873582 A1, 2018-12-16.
Schröder R, Mueller T C, Nowak P. "Method for the Synthesis of 2-(Difluoromethyl)-3-nitropyridine-4-carboxylic acid" [P]. European Patent, EP 3698193 A1, 2025-04-23.
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". J. Pharm. Biomed. Anal., 2024, 2436, 9713-9737.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2017, 2261, 9650-9667.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3-nitropyridine-4-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2023, 1789, (10), 2188-2210.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2019, 2351, (5), 5885-5903.