发明人郑宇鹏,杨光,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112525750 A, 授权公告日 2021-12-28.
发明人杨光,胡光,周伟. "Method for the Synthesis of Ethyl 5-bromo-3-chloro-1-methyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111487188 A, 授权公告日 2020-03-25.
Thompson G K, O'Brien P Q, Yamamoto T. "A Process for Preparing High-Purity Ethyl 5-bromo-3-chloro-1-methyl-1H-indole-2-carboxylate" [P]. US Patent, US 11662733 B2, 2020-04-17.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 1219, (2), 847-853.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2014, 1511, (6), 1998-2027.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-bromo-3-chloro-1-methyl-1H-indole-2-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 631, 4128-4141.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2025, 610, 5876-5902.