Rossi M, Mueller T C, Björnsson E. "Method for the Synthesis of cis-8-Chloro-7-fluoro-1-(2-fluorocyclopropyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid" [P]. European Patent, EP 3682636 A1, 2019-04-24.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2021, 546, (12), 8320-8334.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2014, 622, (12), 7525-7544.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of cis-8-Chloro-7-fluoro-1-(2-fluorocyclopropyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Using HRMS and NMR". Molecules, 2017, 720, (7), 865-883.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2025, 336, (8), 7274-7282.