Davis P L, Roberts E F, Lee S K. "Method for the Synthesis of 1-Ethyl-1H-pyrrolo[2,3-b]pyridine-2,3-dione" [P]. US Patent, US 10365649 B2, 2021-12-19.
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". J. Chromatogr. A, 2011, 1379, (6), 6420-6433.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2015, 1026, 5808-5826.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-1H-pyrrolo[2,3-b]pyridine-2,3-dione Using HRMS and NMR". J. Sep. Sci., 2010, 2030, 9956-9979.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2021, 1602, (10), 9437-9462.