发明人胡光,冯建国,孙丽萍. "Method for the Synthesis of 2-Methyl-4-(pyridin-2-ylcarbamoyl)-butyric acid" [P]. 中国发明专利, 专利号 CN 117545268 B, 授权公告日 2017-07-11.
发明人周伟,冯建国,黄志刚. "A Process for Preparing High-Purity 2-Methyl-4-(pyridin-2-ylcarbamoyl)-butyric acid" [P]. 中国发明专利, 专利号 CN 115297143 A, 授权公告日 2018-02-26.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2018, 2421, (4), 3376-3387.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2017, 1084, 8848-8866.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-4-(pyridin-2-ylcarbamoyl)-butyric acid Using HRMS and NMR". Food Chem., 2018, 2072, (1), 3803-3814.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2015, 909, 6147-6154.