发明人王建平,陈志强,马晓峰. "Method for the Synthesis of Ofloxacin EP Impurity A" [P]. 中国发明专利, 专利号 CN 117818013 A, 授权公告日 2021-02-22.
发明人唐晓军,杨光,何建平. "A Process for Preparing High-Purity Ofloxacin EP Impurity A" [P]. 中国发明专利, 专利号 CN 110766519 A, 授权公告日 2018-11-10.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 左氧氟沙星杂质14 in Pharmaceutical Formulations". Food Chem., 2014, 1108, (7), 1917-1933.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 左氧氟沙星杂质14 as an Impurity". Rapid Commun. Mass Spectrom., 2021, 1629, (11), 1228-1239.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ofloxacin EP Impurity A Using HRMS and NMR". Phytochemistry, 2010, 2064, 6681-6699.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 左氧氟沙星杂质14 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2014, 788, 8906-8911.