Lee S K, Thompson G K, Fischer A B. "一种的合成方法" [P]. US Patent, US 10188735 B2, 2017-10-15.
Mueller T C, Kowalski A, Martínez F. "Method for the Synthesis of 2-(Ethylamino)isonicotinic acid" [P]. European Patent, EP 3216513 A1, 2022-05-26.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 2056, 9498-9524.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 2237, (2), 3070-3078.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Ethylamino)isonicotinic acid Using HRMS and NMR". Anal. Chem., 2013, 1969, 1908-1922.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2012, 2145, (9), 8787-8797.