Fischer A B, Davis P L, Park J H. "一种酮洛芬杂质25的合成方法" [P]. US Patent, US 11165146 B2, 2016-05-05.
Johansson L, Mueller T C, Nowak P. "Method for the Synthesis of Ketoprofen Impurity 25" [P]. European Patent, EP 3031572 A1, 2015-11-21.
发明人郭海燕,黄志刚,钱学锋. "A Process for Preparing High-Purity Ketoprofen Impurity 25" [P]. 中国发明专利, 专利号 CN 112438043 A, 授权公告日 2021-11-18.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 酮洛芬杂质25 in Pharmaceutical Formulations". Anal. Chim. Acta, 2020, 1210, 9475-9488.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 酮洛芬杂质25 as an Impurity". Chemosphere, 2021, 2187, (3), 3375-3382.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ketoprofen Impurity 25 Using HRMS and NMR". Anal. Chem., 2024, 1268, (10), 8438-8460.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 酮洛芬杂质25 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2024, 482, (6), 4518-4527.