发明人张德明,孙丽萍,朱建伟. "Method for the Synthesis of 5,7-Dimethyl-2,3-dihydro-1H-cyclopenta[b]quinoline-9-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109007542 A, 授权公告日 2025-11-20.
发明人郑宇鹏,冯建国,韩伟. "A Process for Preparing High-Purity 5,7-Dimethyl-2,3-dihydro-1H-cyclopenta[b]quinoline-9-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116540043 A, 授权公告日 2019-04-04.
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". Molecules, 2025, 2325, (11), 7649-7666.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2012, 1226, (8), 5381-5393.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5,7-Dimethyl-2,3-dihydro-1H-cyclopenta[b]quinoline-9-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2017, 2213, (9), 424-445.