发明人沈红梅,李文辉,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116032889 A, 授权公告日 2025-07-03.
发明人杨光,黄志刚,高志强. "Method for the Synthesis of 2-[bis(tert-butoxycarbonyl)amino]pyrido[2,3-d]pyrimidine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114461047 A, 授权公告日 2024-08-20.
发明人马晓峰,沈红梅,韩伟. "A Process for Preparing High-Purity 2-[bis(tert-butoxycarbonyl)amino]pyrido[2,3-d]pyrimidine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113679922 A, 授权公告日 2025-03-12.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2016, 815, (2), 109-123.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2024, 1061, (10), 8137-8153.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-[bis(tert-butoxycarbonyl)amino]pyrido[2,3-d]pyrimidine-7-carboxylic acid Using HRMS and NMR". Anal. Chem., 2010, 351, (8), 6639-6661.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2011, 1449, (12), 2372-2398.