Schröder R, Yamamoto T, Williams B T. "Method for the Synthesis of Ethyl 6-bromo-4-chloro-8-fluoroquinoline-3-carboxylate" [P]. US Patent, US 10908562 B2, 2020-08-20.
Mueller T C, Lefèvre J P, Johansson L. "A Process for Preparing High-Purity Ethyl 6-bromo-4-chloro-8-fluoroquinoline-3-carboxylate" [P]. European Patent, EP 3013443 A1, 2023-01-06.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2023, 2403, (11), 5245-5248.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2010, 1722, (6), 5649-5668.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-bromo-4-chloro-8-fluoroquinoline-3-carboxylate Using HRMS and NMR". Molecules, 2019, 281, (2), 7503-7511.