Björnsson E, Johansson L, Kowalski A. "Method for the Synthesis of Ethyl 6-bromo-5-hydroxy-2-methyl-1H-indole-3-carboxylate" [P]. European Patent, EP 3672269 A1, 2021-12-21.
发明人何建平,刘建华,高志强. "A Process for Preparing High-Purity Ethyl 6-bromo-5-hydroxy-2-methyl-1H-indole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115453480 A, 授权公告日 2015-06-27.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 1200, (4), 2517-2534.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2012, 1841, 4922-4936.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-bromo-5-hydroxy-2-methyl-1H-indole-3-carboxylate Using HRMS and NMR". Molecules, 2021, 1586, 9166-9175.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2016, 568, 5015-5032.