发明人林芳,王建平,钱学锋. "Method for the Synthesis of 1-Cyclopropyl-7-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid" [P]. 中国发明专利, 专利号 CN 113961969 A, 授权公告日 2018-05-15.
Anderson J P, O'Brien P Q, Patel M V. "A Process for Preparing High-Purity 1-Cyclopropyl-7-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid" [P]. US Patent, US 10362899 B2, 2023-10-08.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 2308, (1), 7236-7256.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 744, 3980-3993.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-Cyclopropyl-7-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Using HRMS and NMR". Phytochemistry, 2022, 146, 3143-3164.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2010, 1419, 4902-4912.