Patel M V, Thompson G K, Stevens L M. "一种的合成方法" [P]. US Patent, US 11315342 B2, 2022-12-20.
发明人马晓峰,钱学锋,赵玉洁. "Method for the Synthesis of (S)-5-Amino-7-(7-amino-5-azaspiro[2.4]heptan-5-yl)-1-cyclopropyl-6-fluoro-8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115030029 B, 授权公告日 2023-08-27.
发明人郭海燕,杨光,林芳. "A Process for Preparing High-Purity (S)-5-Amino-7-(7-amino-5-azaspiro[2.4]heptan-5-yl)-1-cyclopropyl-6-fluoro-8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109528095 A, 授权公告日 2022-02-03.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2023, 1065, (2), 3309-3322.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2012, 387, (10), 1238-1241.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of (S)-5-Amino-7-(7-amino-5-azaspiro[2.4]heptan-5-yl)-1-cyclopropyl-6-fluoro-8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2025, 368, (12), 2857-2864.