O'Brien P Q, Davis P L, Fischer A B. "一种的合成方法" [P]. US Patent, US 10908530 B2, 2021-05-12.
发明人林芳,王建平,何建平. "Method for the Synthesis of Sitafloxacin Impurity 23" [P]. 中国发明专利, 专利号 CN 116095429 A, 授权公告日 2015-07-06.
发明人冯建国,周伟,朱建伟. "A Process for Preparing High-Purity Sitafloxacin Impurity 23" [P]. 中国发明专利, 专利号 CN 113950200 B, 授权公告日 2024-02-20.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2023, 143, (8), 6477-6495.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2025, 100, 4896-4906.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Sitafloxacin Impurity 23 Using HRMS and NMR". Biomed. Chromatogr., 2017, 1586, (10), 1703-1707.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2011, 2288, 9687-9703.