Stevens L M, Johnson M A, Brown S R. "Method for the Synthesis of Methyl 4-bromo-5-chloro-3-methyl-1H-indole-2-carboxylate" [P]. US Patent, US 9511906 B2, 2025-11-22.
发明人何建平,林芳,陈志强. "A Process for Preparing High-Purity Methyl 4-bromo-5-chloro-3-methyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113951851 B, 授权公告日 2020-12-25.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2012, 891, (2), 5245-5258.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2011, 445, 2779-2787.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-bromo-5-chloro-3-methyl-1H-indole-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 1003, (1), 6176-6181.