Williams B T, Park J H, Patel M V. "Method for the Synthesis of Ethyl 3-amino-4,4-difluorobut-2-enoate" [P]. US Patent, US 11500555 B2, 2023-04-21.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2024, 2341, (12), 29-50.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2010, 2143, (12), 196-214.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-amino-4,4-difluorobut-2-enoate Using HRMS and NMR". J. Chromatogr. A, 2022, 1036, (2), 3856-3869.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2021, 1528, (12), 234-260.