Jørgensen K, Sørensen M, Nowak P. "Method for the Synthesis of Ethyl 4-(2,3-dimethoxyphenyl)-4-oxobutanoate" [P]. European Patent, EP 3272191 A1, 2015-12-28.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 1215, (3), 852-869.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2016, 1369, (2), 5315-5318.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(2,3-dimethoxyphenyl)-4-oxobutanoate Using HRMS and NMR". J. Nat. Prod., 2013, 926, (6), 8240-8265.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2025, 1707, (6), 2047-2062.