Mueller T C, Nowak P, Björnsson E. "Method for the Synthesis of N-(2,6-dimethylphenyl)-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide" [P]. European Patent, EP 3603256 A1, 2016-10-06.
Klinger H, Kumar R, Park J H. "A Process for Preparing High-Purity N-(2,6-dimethylphenyl)-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide" [P]. US Patent, US 9217887 B2, 2025-02-28.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2018, 877, 7618-7639.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2013, 1174, (1), 7759-7763.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of N-(2,6-dimethylphenyl)-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide Using HRMS and NMR". J. Nat. Prod., 2015, 734, 2899-2908.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2020, 203, 3129-3142.