Hughes D C, Brown S R, Yamamoto T. "一种的合成方法" [P]. US Patent, US 11010941 B2, 2015-11-26.
发明人黄志刚,赵玉洁,周伟. "Method for the Synthesis of 9-Methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]-quinoline-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116865771 B, 授权公告日 2015-05-01.
发明人钱学锋,张德明,胡光. "A Process for Preparing High-Purity 9-Methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]-quinoline-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112868437 A, 授权公告日 2018-05-10.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2025, 2436, 1714-1734.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2014, 1066, (7), 470-489.