Stevens L M, Davis P L, Fischer A B. "一种的合成方法" [P]. US Patent, US 11626006 B2, 2020-01-28.
发明人冯建国,杨光,张德明. "Method for the Synthesis of 3-Bromo-4,6-dichloro-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112265362 B, 授权公告日 2020-01-03.
发明人李文辉,陈志强,何建平. "A Process for Preparing High-Purity 3-Bromo-4,6-dichloro-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113288881 B, 授权公告日 2022-10-12.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2015, 966, 7107-7134.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2019, 283, (5), 9498-9521.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Bromo-4,6-dichloro-1H-indole-2-carboxylic acid Using HRMS and NMR". Anal. Methods, 2013, 413, (2), 6502-6510.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 2172, 5788-5812.