Williams B T, Anderson J P, Stevens L M. "Method for the Synthesis of 4-chloro-1H-indole-2-carboxylic acid" [P]. US Patent, US 10311653 B2, 2020-01-06.
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". J. Agric. Food Chem., 2022, 1020, (12), 5287-5316.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 1110, (12), 6109-6134.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-chloro-1H-indole-2-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2018, 427, (11), 759-774.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2020, 2203, (11), 7483-7495.