发明人高志强,郭海燕,冯建国. "Method for the Synthesis of Felodipine Impurity 11" [P]. 中国发明专利, 专利号 CN 114394639 A, 授权公告日 2021-02-07.
Williams B T, Patel M V, Anderson J P. "A Process for Preparing High-Purity Felodipine Impurity 11" [P]. US Patent, US 9828874 B2, 2023-11-12.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 非洛地平杂质11 in Pharmaceutical Formulations". Talanta, 2016, 102, (11), 7538-7566.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 非洛地平杂质11 as an Impurity". J. Sep. Sci., 2016, 1069, (9), 6194-6200.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Felodipine Impurity 11 Using HRMS and NMR". Molecules, 2013, 2005, (6), 8517-8521.