Park J H, Klinger H, Anderson J P. "Method for the Synthesis of 4,4,4-Trifluoro-3-(methyl(propyl)amino)butanoic acid" [P]. US Patent, US 9492192 B2, 2019-09-21.
发明人孙丽萍,刘建华,周伟. "A Process for Preparing High-Purity 4,4,4-Trifluoro-3-(methyl(propyl)amino)butanoic acid" [P]. 中国发明专利, 专利号 CN 111456118 B, 授权公告日 2023-08-22.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 2395, 4606-4609.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2019, 359, 8273-8279.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4,4,4-Trifluoro-3-(methyl(propyl)amino)butanoic acid Using HRMS and NMR". Anal. Methods, 2017, 865, (11), 1516-1527.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2012, 1478, (10), 7665-7689.