发明人何建平,赵玉洁,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113023526 A, 授权公告日 2016-11-20.
发明人黄志刚,李文辉,郑宇鹏. "Method for the Synthesis of Ethyl 6-chloro-4-(methylamino)pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108519094 B, 授权公告日 2022-01-21.
O'Brien P Q, Yamamoto T, Brown S R. "A Process for Preparing High-Purity Ethyl 6-chloro-4-(methylamino)pyridine-3-carboxylate" [P]. US Patent, US 10409973 B2, 2017-01-17.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2019, 2401, 1062-1067.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2022, 232, 8675-8682.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-chloro-4-(methylamino)pyridine-3-carboxylate Using HRMS and NMR". Food Chem., 2017, 1880, (4), 8199-8224.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2019, 1687, (2), 3092-3105.