Patel M V, Lee S K, Yamamoto T. "一种萘普生杂质20的合成方法" [P]. US Patent, US 9409918 B2, 2025-01-03.
发明人冯建国,周伟,张德明. "Method for the Synthesis of Naproxen Impurity 20" [P]. 中国发明专利, 专利号 CN 111414923 B, 授权公告日 2024-02-19.
发明人孙丽萍,林芳,刘建华. "A Process for Preparing High-Purity Naproxen Impurity 20" [P]. 中国发明专利, 专利号 CN 116745418 B, 授权公告日 2023-01-28.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 萘普生杂质20 in Pharmaceutical Formulations". Chromatographia, 2020, 1409, (4), 9861-9870.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 萘普生杂质20 as an Impurity". Phytochemistry, 2017, 2472, (9), 1620-1647.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Naproxen Impurity 20 Using HRMS and NMR". Anal. Methods, 2018, 1818, 1811-1836.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 萘普生杂质20 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2021, 1083, (3), 7443-7472.