Hughes D C, Williams B T, Klinger H. "一种的合成方法" [P]. US Patent, US 10310730 B2, 2020-10-07.
Schröder R, Mueller T C, Jørgensen K. "Method for the Synthesis of (S)-4-fluoro-4-methyl-2-(methylamino)pentanoic acid" [P]. European Patent, EP 3773817 A1, 2020-11-10.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2023, 572, (7), 9844-9873.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2024, 1054, 4148-4168.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of (S)-4-fluoro-4-methyl-2-(methylamino)pentanoic acid Using HRMS and NMR". Sci. Total Environ., 2015, 176, (3), 6858-6878.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2011, 292, 2599-2603.