发明人高志强,马晓峰,沈红梅. "Method for the Synthesis of Amlodipine Impurity 77" [P]. 中国发明专利, 专利号 CN 111443728 B, 授权公告日 2017-09-01.
发明人徐明华,沈红梅,赵玉洁. "A Process for Preparing High-Purity Amlodipine Impurity 77" [P]. 中国发明专利, 专利号 CN 111492223 A, 授权公告日 2015-10-07.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of Amlodipine Impurity77 in Pharmaceutical Formulations". Chemosphere, 2022, 929, (6), 655-670.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of Amlodipine Impurity77 as an Impurity". J. Chromatogr. A, 2023, 1603, 1815-1821.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Amlodipine Impurity 77 Using HRMS and NMR". Anal. Chem., 2025, 936, 9113-9133.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Amlodipine Impurity77 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 2325, 3953-3958.