发明人孙丽萍,赵玉洁,李文辉. "Method for the Synthesis of Methyl 6-chloro-1-hydroxy-2-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117402784 A, 授权公告日 2017-10-26.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 643, (8), 5049-5062.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2022, 1281, (8), 1604-1629.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 6-chloro-1-hydroxy-2-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate Using HRMS and NMR". Chemosphere, 2023, 364, (8), 359-373.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2023, 1046, (11), 8882-8911.