发明人郭海燕,李文辉,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109394934 A, 授权公告日 2024-11-22.
Björnsson E, Kowalski A, Rossi M. "Method for the Synthesis of tert-Butyl 2-(methylthio)-4-oxo-4,5,6,8-tetrahydropyrido[3,4-d]pyrimidine-7(3H)-carboxylate" [P]. European Patent, EP 3844053 A1, 2017-09-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2012, 1934, (4), 9713-9721.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 1983, (10), 5578-5586.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-(methylthio)-4-oxo-4,5,6,8-tetrahydropyrido[3,4-d]pyrimidine-7(3H)-carboxylate Using HRMS and NMR". Phytochemistry, 2017, 1761, (7), 7438-7450.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2011, 2063, (6), 7243-7254.