Sørensen M, Björnsson E, Nowak P. "Method for the Synthesis of 6-Methoxy-2-oxo-2H-chromene-3-carbonitrile" [P]. European Patent, EP 3286387 A1, 2021-06-27.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2015, 429, 3002-3027.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2018, 1319, (12), 2626-2644.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methoxy-2-oxo-2H-chromene-3-carbonitrile Using HRMS and NMR". J. Agric. Food Chem., 2015, 1258, 313-333.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2015, 227, (11), 8663-8672.