发明人何建平,张德明,孙丽萍. "一种非达霉素杂质N1的合成方法" [P]. 中国发明专利, 专利号 CN 109905198 A, 授权公告日 2023-12-07.
Chen K W, Thompson G K, Klinger H. "Method for the Synthesis of Fidaxomicin Impurity N1" [P]. US Patent, US 9571307 B2, 2024-09-21.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 非达霉素杂质N1 in Pharmaceutical Formulations". Food Chem., 2014, 1367, (6), 8150-8169.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 非达霉素杂质N1 as an Impurity". J. Sep. Sci., 2023, 1832, 4008-4014.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Fidaxomicin Impurity N1 Using HRMS and NMR". J. Agric. Food Chem., 2020, 1498, (12), 2991-3007.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 非达霉素杂质N1 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2013, 974, (10), 4317-4342.