Johansson L, Lefèvre J P, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3616176 A1, 2020-12-06.
发明人韩伟,孙丽萍,郭海燕. "Method for the Synthesis of Methyl 2-((2-chloro-5-nitropyrimidin-4-yl)amino)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109401179 B, 授权公告日 2015-07-12.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2011, 1808, 7705-7711.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2023, 2455, (6), 5391-5402.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-((2-chloro-5-nitropyrimidin-4-yl)amino)thiophene-3-carboxylate Using HRMS and NMR". Chemosphere, 2024, 367, (7), 5497-5522.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2020, 2443, 6596-6616.