发明人王建平,赵玉洁,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110894316 A, 授权公告日 2021-05-14.
发明人胡光,孙丽萍,郑宇鹏. "Method for the Synthesis of 10-(1-Aminocyclopropyl)-9-Fluoro-2,3-Dihydro-3-Methyl-7-Oxo-7H-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylicacid" [P]. 中国发明专利, 专利号 CN 112548559 A, 授权公告日 2015-11-16.
发明人李文辉,韩伟,周伟. "A Process for Preparing High-Purity 10-(1-Aminocyclopropyl)-9-Fluoro-2,3-Dihydro-3-Methyl-7-Oxo-7H-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylicacid" [P]. 中国发明专利, 专利号 CN 115819755 A, 授权公告日 2018-09-27.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 532, (5), 4402-4409.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2022, 1395, (9), 7838-7862.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 10-(1-Aminocyclopropyl)-9-Fluoro-2,3-Dihydro-3-Methyl-7-Oxo-7H-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylicacid Using HRMS and NMR". Chemosphere, 2015, 2284, 6017-6034.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2022, 2295, (5), 7502-7515.