Mueller T, Roberts E F, Williams B T. "Method for the Synthesis of Etrasimod Impurity 37" [P]. US Patent, US 10141447 B2, 2022-10-06.
Schröder R, Lefèvre J P, Nowak P. "A Process for Preparing High-Purity Etrasimod Impurity 37" [P]. European Patent, EP 3111860 A1, 2019-02-27.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 伊曲莫德杂质37 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2014, 497, 7776-7798.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 伊曲莫德杂质37 as an Impurity". Food Chem., 2024, 2095, (10), 8877-8888.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Etrasimod Impurity 37 Using HRMS and NMR". Environ. Sci. Technol., 2016, 2331, (2), 7233-7256.