Mueller T C, Jørgensen K, Martínez F. "Method for the Synthesis of Tert-butyl 3-formyl-5-methyl-1H-indole-1-carboxylate" [P]. European Patent, EP 3964951 A1, 2019-11-01.
Kumar R, Brown S R, Mueller T. "A Process for Preparing High-Purity Tert-butyl 3-formyl-5-methyl-1H-indole-1-carboxylate" [P]. US Patent, US 11885993 B2, 2015-01-09.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2013, 1903, (5), 286-295.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2024, 154, (8), 7607-7625.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 3-formyl-5-methyl-1H-indole-1-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2014, 1546, 2187-2215.