Fischer A B, Brown S R, Yamamoto T. "Method for the Synthesis of 5-Chloro-6-fluoro-1H-indole-3-carboxylic acid" [P]. US Patent, US 9584624 B2, 2015-01-25.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2014, 1363, (2), 5391-5414.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2024, 1665, 4501-4517.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-6-fluoro-1H-indole-3-carboxylic acid Using HRMS and NMR". Anal. Methods, 2017, 1433, (11), 7405-7423.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2017, 639, 8268-8279.