Thompson G K, Davis P L, Lee S K. "一种的合成方法" [P]. US Patent, US 10390994 B2, 2018-08-28.
发明人何建平,钱学锋,林芳. "Method for the Synthesis of (S)-2-(4-Chloro-benzoylamino)-3-methyl-butyric acid ethyl ester" [P]. 中国发明专利, 专利号 CN 108283903 A, 授权公告日 2016-08-14.
Davis P L, Roberts E F, Klinger H. "A Process for Preparing High-Purity (S)-2-(4-Chloro-benzoylamino)-3-methyl-butyric acid ethyl ester" [P]. US Patent, US 10234514 B2, 2025-02-26.
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". Molecules, 2024, 817, (12), 9975-9996.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 115, (9), 4159-4183.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-(4-Chloro-benzoylamino)-3-methyl-butyric acid ethyl ester Using HRMS and NMR". J. Agric. Food Chem., 2012, 2204, (12), 7086-7114.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2013, 1109, 2244-2249.