Martínez F, Kowalski A, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3704042 A1, 2021-12-24.
Lefèvre J P, Mueller T C, Kowalski A. "Method for the Synthesis of Methyl 2-(1-(3,4-dimethoxybenzyl)-4-hydroxy-2-oxo-1,2-dihydropyridin-3-yl)acetate" [P]. European Patent, EP 3045174 A1, 2021-06-18.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2020, 2441, (3), 8374-8403.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2013, 1049, 7380-7398.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-(1-(3,4-dimethoxybenzyl)-4-hydroxy-2-oxo-1,2-dihydropyridin-3-yl)acetate Using HRMS and NMR". Molecules, 2022, 1927, (7), 131-136.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2018, 2360, 3628-3637.