Davis P L, Yamamoto T, Chen K W. "一种的合成方法" [P]. US Patent, US 11815220 B2, 2025-03-12.
Yamamoto T, Park J H, Lee S K. "Method for the Synthesis of ethyl 6-bromo-2-formyl-5-hydroxy-1-methyl-1H-indole-3-carboxylate" [P]. US Patent, US 10066279 B2, 2019-01-20.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2014, 866, (11), 1430-1441.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2010, 2110, (1), 7319-7326.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 6-bromo-2-formyl-5-hydroxy-1-methyl-1H-indole-3-carboxylate Using HRMS and NMR". Anal. Methods, 2014, 166, 9045-9063.