Park J H, Fischer A B, Roberts E F. "Method for the Synthesis of ethyl 5,8-difluoroquinoline-3-carboxylate" [P]. US Patent, US 9474888 B2, 2024-01-20.
发明人孙丽萍,周伟,黄志刚. "A Process for Preparing High-Purity ethyl 5,8-difluoroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114943833 B, 授权公告日 2016-05-16.
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 ethyl 5,8-difluoroquinoline-3-carboxylate in Pharmaceutical Formulations". Anal. Methods, 2022, 908, 3035-3050.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 5,8-difluoroquinoline-3-carboxylate as an Impurity". Anal. Chem., 2024, 1195, (7), 4801-4817.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 5,8-difluoroquinoline-3-carboxylate Using HRMS and NMR". Talanta, 2013, 123, (7), 7193-7222.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate ethyl 5,8-difluoroquinoline-3-carboxylate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2012, 1113, (1), 7969-7983.