发明人马晓峰,郭海燕,陈志强. "一种尼麦角林EP杂质G的合成方法" [P]. 中国发明专利, 专利号 CN 112911080 A, 授权公告日 2024-09-18.
发明人罗永刚,郭海燕,马晓峰. "Method for the Synthesis of Nicergoline EP Impurity G" [P]. 中国发明专利, 专利号 CN 117582092 B, 授权公告日 2025-10-04.
发明人刘建华,马晓峰,唐晓军. "A Process for Preparing High-Purity Nicergoline EP Impurity G" [P]. 中国发明专利, 专利号 CN 111521005 B, 授权公告日 2015-11-26.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 尼麦角林EP杂质G in Pharmaceutical Formulations". Environ. Sci. Technol., 2010, 232, (5), 2686-2698.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 尼麦角林EP杂质G as an Impurity". Molecules, 2020, 86, 2640-2643.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Nicergoline EP Impurity G Using HRMS and NMR". Chemosphere, 2016, 371, (8), 1909-1920.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate 尼麦角林EP杂质G Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 637, 4507-4535.