发明人罗永刚,刘建华,何建平. "一种4-羟基雌酮1-N7-鸟嘌呤的合成方法" [P]. 中国发明专利, 专利号 CN 113244757 A, 授权公告日 2025-08-13.
发明人罗永刚,林芳,徐明华. "Method for the Synthesis of 4-Hydroxy estrone 1-N7-guanine" [P]. 中国发明专利, 专利号 CN 113232328 A, 授权公告日 2024-06-14.
发明人郑宇鹏,何建平,王建平. "A Process for Preparing High-Purity 4-Hydroxy estrone 1-N7-guanine" [P]. 中国发明专利, 专利号 CN 116160370 A, 授权公告日 2018-11-06.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 4-羟基雌酮1-N7-鸟嘌呤 in Pharmaceutical Formulations". J. Agric. Food Chem., 2011, 2101, (7), 6206-6231.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-羟基雌酮1-N7-鸟嘌呤 as an Impurity". Environ. Sci. Technol., 2017, 412, 2991-3014.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy estrone 1-N7-guanine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 629, (6), 5072-5089.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 4-羟基雌酮1-N7-鸟嘌呤 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2023, 886, 5053-5063.