Martínez F, Johansson L, Nowak P. "一种的合成方法" [P]. European Patent, EP 3220232 A1, 2021-03-16.
发明人何建平,郭海燕,周伟. "Method for the Synthesis of Ethyl (R)-6-methyl-4-(3-nitrophenyl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 110479022 B, 授权公告日 2025-05-24.
Yamamoto T, Anderson J P, Patel M V. "A Process for Preparing High-Purity Ethyl (R)-6-methyl-4-(3-nitrophenyl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. US Patent, US 9632158 B2, 2016-11-08.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2020, 2327, (5), 3694-3709.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2020, 1049, (11), 9012-9016.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl (R)-6-methyl-4-(3-nitrophenyl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate Using HRMS and NMR". Anal. Methods, 2012, 287, 5000-5026.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2019, 1179, (10), 6430-6441.