Kumar R, Johnson M A, Park J H. "Method for the Synthesis of Ibuprofen EP Impurity P" [P]. US Patent, US 11033389 B2, 2020-03-07.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 布洛芬EP杂质P in Pharmaceutical Formulations". Food Chem., 2011, 954, (12), 675-680.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 布洛芬EP杂质P as an Impurity". Sci. Total Environ., 2018, 2158, (3), 6089-6100.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Ibuprofen EP Impurity P Using HRMS and NMR". Molecules, 2025, 1210, 7153-7175.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 布洛芬EP杂质P Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2021, 349, (7), 9621-9632.