发明人马晓峰,周伟,钱学锋. "一种胞磷胆碱杂质109的合成方法" [P]. 中国发明专利, 专利号 CN 117150545 A, 授权公告日 2023-08-03.
发明人胡光,韩伟,钱学锋. "Method for the Synthesis of Citicoline Impurity 109" [P]. 中国发明专利, 专利号 CN 108827291 B, 授权公告日 2016-04-15.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 胞磷胆碱杂质109 in Pharmaceutical Formulations". J. Chromatogr. A, 2025, 1778, (11), 4463-4474.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 胞磷胆碱杂质109 as an Impurity". Food Chem., 2016, 2294, (4), 2940-2961.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Citicoline Impurity 109 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 1600, 4665-4693.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 胞磷胆碱杂质109 Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 2280, (11), 6534-6544.