Kowalski A, Mueller T C, Rossi M. "Method for the Synthesis of Methyl 6-methyl-4-(thiophen-2-yl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. European Patent, EP 3348458 A1, 2016-04-08.
发明人刘建华,胡光,罗永刚. "A Process for Preparing High-Purity Methyl 6-methyl-4-(thiophen-2-yl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108989877 B, 授权公告日 2020-03-25.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 168, (5), 2853-2871.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2011, 1099, (11), 8568-8578.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 6-methyl-4-(thiophen-2-yl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate Using HRMS and NMR". Anal. Chem., 2023, 185, (7), 7774-7786.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2021, 2315, (7), 5403-5433.