Nielsen H, Schröder R, Johansson L. "一种的合成方法" [P]. European Patent, EP 3051891 A1, 2024-02-01.
Thompson G K, Park J H, Klinger H. "Method for the Synthesis of Ethyl 4-((2-ethoxy-2-oxoethyl)thio)butanoate" [P]. US Patent, US 11017891 B2, 2021-01-23.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2010, 353, (6), 1902-1920.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2018, 1780, 235-251.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-((2-ethoxy-2-oxoethyl)thio)butanoate Using HRMS and NMR". Biomed. Chromatogr., 2010, 2049, (8), 3678-3697.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2019, 1202, (9), 2953-2982.