Mueller T, Brown S R, Schröder R. "Method for the Synthesis of 1-Ethyl-4-oxo-2-phenyl-1,4-dihydroquinoline-6-carboxylic acid" [P]. US Patent, US 9481021 B2, 2015-06-23.
发明人孙丽萍,胡光,钱学锋. "A Process for Preparing High-Purity 1-Ethyl-4-oxo-2-phenyl-1,4-dihydroquinoline-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114068017 B, 授权公告日 2017-08-28.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2010, 801, (9), 5950-5971.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2021, 2256, 1527-1550.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-4-oxo-2-phenyl-1,4-dihydroquinoline-6-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2025, 1322, 1778-1792.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2011, 1493, 3798-3824.