发明人冯建国,林芳,高志强. "Method for the Synthesis of Potassium Clavulanate impurity 23" [P]. 中国发明专利, 专利号 CN 108173404 A, 授权公告日 2015-03-08.
发明人何建平,赵玉洁,李文辉. "A Process for Preparing High-Purity Potassium Clavulanate impurity 23" [P]. 中国发明专利, 专利号 CN 108198591 B, 授权公告日 2019-03-03.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 克拉维酸钾杂质23 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 707, (1), 1008-1016.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 克拉维酸钾杂质23 as an Impurity". Talanta, 2020, 165, (1), 394-403.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Potassium Clavulanate impurity 23 Using HRMS and NMR". Environ. Sci. Technol., 2021, 2262, (9), 7368-7371.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 克拉维酸钾杂质23 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2014, 2238, (2), 431-452.