Lee S K, Stevens L M, Schröder R. "一种的合成方法" [P]. US Patent, US 10737168 B2, 2022-07-17.
Patel M V, Johnson M A, Mueller T. "Method for the Synthesis of (2E)-2-Cyano-3-ethoxybut-2-enamide" [P]. US Patent, US 11904068 B2, 2017-12-06.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2025, 1890, (2), 2675-2680.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2010, 1013, 7188-7213.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of (2E)-2-Cyano-3-ethoxybut-2-enamide Using HRMS and NMR". Talanta, 2015, 1188, (7), 8227-8250.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2022, 875, (3), 8548-8566.