发明人唐晓军,马晓峰,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108631676 A, 授权公告日 2018-01-25.
Sørensen M, Martínez F, Nowak P. "Method for the Synthesis of 5-(tert-Butyl)-2-mercapto-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-7-carboxylic acid" [P]. European Patent, EP 3412057 A1, 2021-04-06.
发明人郑宇鹏,沈红梅,林芳. "A Process for Preparing High-Purity 5-(tert-Butyl)-2-mercapto-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116698129 A, 授权公告日 2023-09-25.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2025, 968, (1), 1325-1351.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2022, 1764, (9), 1552-1555.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-(tert-Butyl)-2-mercapto-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-7-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2010, 225, 6732-6759.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 2173, (7), 4527-4537.