发明人沈红梅,胡光,冯建国. "Method for the Synthesis of Citicoline Impurity 6" [P]. 中国发明专利, 专利号 CN 109734702 B, 授权公告日 2019-06-09.
Schröder R, Roberts E F, Johnson M A. "A Process for Preparing High-Purity Citicoline Impurity 6" [P]. US Patent, US 9251485 B2, 2017-09-23.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 胞磷胆碱杂质6 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 1724, (1), 4008-4021.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 胞磷胆碱杂质6 as an Impurity". Food Chem., 2020, 1184, (3), 9986-10007.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Citicoline Impurity 6 Using HRMS and NMR". J. Nat. Prod., 2013, 1217, (1), 5426-5447.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 胞磷胆碱杂质6 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2011, 776, (2), 4506-4536.