发明人李文辉,张德明,黄志刚. "Method for the Synthesis of 5-Azacytosine" [P]. 中国发明专利, 专利号 CN 112485329 B, 授权公告日 2025-06-26.
Patel M V, Stevens L M, Johnson M A. "A Process for Preparing High-Purity 5-Azacytosine" [P]. US Patent, US 9025619 B2, 2019-09-04.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 5-氮杂胞嘧啶 in Pharmaceutical Formulations". Chromatographia, 2021, 1666, 2461-2475.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-氮杂胞嘧啶 as an Impurity". Environ. Sci. Technol., 2013, 2345, (9), 418-447.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 5-Azacytosine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 1970, 3351-3354.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 5-氮杂胞嘧啶 Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2025, 2038, (1), 7879-7888.