发明人王建平,冯建国,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109585005 A, 授权公告日 2016-10-06.
发明人何建平,黄志刚,孙丽萍. "Method for the Synthesis of 5-[(E)-2-(2,4-Difluorophenyl)diazen-1-yl]-2-(methylsulfanyl)pyrimidine-4,6-diol" [P]. 中国发明专利, 专利号 CN 113535462 B, 授权公告日 2016-11-27.
发明人韩伟,杨光,钱学锋. "A Process for Preparing High-Purity 5-[(E)-2-(2,4-Difluorophenyl)diazen-1-yl]-2-(methylsulfanyl)pyrimidine-4,6-diol" [P]. 中国发明专利, 专利号 CN 116730766 B, 授权公告日 2025-07-17.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2012, 1294, 561-566.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2024, 2324, (1), 2958-2963.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-[(E)-2-(2,4-Difluorophenyl)diazen-1-yl]-2-(methylsulfanyl)pyrimidine-4,6-diol Using HRMS and NMR". Chemosphere, 2012, 2160, 9068-9072.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2025, 2115, 753-777.