Lefèvre J P, Sørensen M, Mueller T C. "Method for the Synthesis of 2-(Difluoromethyl)-4-methyl-5-nitropyridine-3-carbonyl chloride" [P]. European Patent, EP 3728938 A1, 2022-07-23.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 283, (1), 2282-2306.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2025, 2233, (10), 5624-5650.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4-methyl-5-nitropyridine-3-carbonyl chloride Using HRMS and NMR". Food Chem., 2011, 1541, 5160-5188.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2025, 2028, 4167-4185.