发明人冯建国,韩伟,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117156001 A, 授权公告日 2020-04-09.
Kowalski A, Schröder R, Martínez F. "Method for the Synthesis of 1-Ethyl-1h-indole-3-carboxylic acid" [P]. European Patent, EP 3698690 A1, 2022-04-21.
Yamamoto T, Davis P L, Schröder R. "A Process for Preparing High-Purity 1-Ethyl-1h-indole-3-carboxylic acid" [P]. US Patent, US 10660602 B2, 2016-05-10.
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". J. Chromatogr. A, 2024, 1728, (7), 5657-5667.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 2056, (2), 9173-9191.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-1h-indole-3-carboxylic acid Using HRMS and NMR". Anal. Chem., 2018, 1297, 4193-4213.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2013, 2454, (10), 5041-5066.