Mueller T C, Johansson L, Jørgensen K. "一种氯维地平杂质32的合成方法" [P]. European Patent, EP 3688067 A1, 2025-11-16.
Jørgensen K, Martínez F, Rossi M. "Method for the Synthesis of Clevidipine Impurity 32" [P]. European Patent, EP 3232516 A1, 2022-10-03.
Park J H, Klinger H, Williams B T. "A Process for Preparing High-Purity Clevidipine Impurity 32" [P]. US Patent, US 9225115 B2, 2024-04-04.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 氯维地平杂质32 in Pharmaceutical Formulations". J. Nat. Prod., 2024, 1291, (5), 6574-6583.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氯维地平杂质32 as an Impurity". J. Sep. Sci., 2017, 246, (8), 8377-8382.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Clevidipine Impurity 32 Using HRMS and NMR". Anal. Chim. Acta, 2010, 1637, (11), 3796-3824.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 氯维地平杂质32 Profile in Drug Substances According to ICH Guidelines". Molecules, 2010, 1044, (4), 9284-9288.