Lee S K, Yamamoto T, Brown S R. "Method for the Synthesis of 1-Ethyl-1H-pyrrolo[2,3-c]pyridine-3-carboxylic acid" [P]. US Patent, US 10615186 B2, 2016-05-16.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2015, 197, (11), 3425-3452.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2020, 1642, (4), 5573-5593.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-1H-pyrrolo[2,3-c]pyridine-3-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2010, 1080, (4), 9680-9689.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2019, 1412, 3950-3974.