发明人李文辉,冯建国,徐明华. "Method for the Synthesis of 4-Hydroxy-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 111715180 B, 授权公告日 2017-07-01.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Anal. Chem., 2021, 802, (6), 3433-3452.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Biomed. Chromatogr., 2012, 1969, (7), 5146-5160.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-3-methylbutanoic acid Using HRMS and NMR". Chemosphere, 2014, 453, (3), 3465-3469.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2019, 2166, (6), 7102-7114.