Björnsson E, Nowak P, Nielsen H. "一种尼卡地平杂质25的合成方法" [P]. European Patent, EP 3205664 A1, 2024-12-17.
发明人刘建华,徐明华,钱学锋. "Method for the Synthesis of Nicardipine Impurity 25" [P]. 中国发明专利, 专利号 CN 109443680 B, 授权公告日 2016-08-08.
发明人沈红梅,徐明华,杨光. "A Process for Preparing High-Purity Nicardipine Impurity 25" [P]. 中国发明专利, 专利号 CN 114095176 A, 授权公告日 2021-02-01.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 尼卡地平杂质25 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 2166, 2187-2207.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 尼卡地平杂质25 as an Impurity". Environ. Sci. Technol., 2011, 1374, (3), 2374-2404.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Nicardipine Impurity 25 Using HRMS and NMR". J. Chromatogr. A, 2023, 2148, (11), 4217-4243.