Chen K W, Williams B T, Park J H. "Method for the Synthesis of 4-Methyl-1H-indole-2-carboxamide" [P]. US Patent, US 9472304 B2, 2019-05-10.
Lefèvre J P, Mueller T C, Björnsson E. "A Process for Preparing High-Purity 4-Methyl-1H-indole-2-carboxamide" [P]. European Patent, EP 3659659 A1, 2021-04-15.
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. Agric. Food Chem., 2019, 172, (7), 5394-5423.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2020, 2438, 7673-7693.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-1H-indole-2-carboxamide Using HRMS and NMR". J. Sep. Sci., 2010, 488, (1), 9923-9939.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2013, 866, (12), 8692-8714.