Patel M V, Yamamoto T, Chen K W. "一种的合成方法" [P]. US Patent, US 9503984 B2, 2016-08-07.
Sørensen M, Nielsen H, Björnsson E. "Method for the Synthesis of 5-Bromo-1-ethyl-1H-pyrrolo[2,3-b]pyridine-2,3-dione" [P]. European Patent, EP 3207835 A1, 2022-03-06.
Davis P L, Roberts E F, Lee S K. "A Process for Preparing High-Purity 5-Bromo-1-ethyl-1H-pyrrolo[2,3-b]pyridine-2,3-dione" [P]. US Patent, US 11650218 B2, 2024-06-26.
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". Rapid Commun. Mass Spectrom., 2013, 95, (2), 8282-8304.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2024, 700, (9), 1439-1454.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-1-ethyl-1H-pyrrolo[2,3-b]pyridine-2,3-dione Using HRMS and NMR". Phytochemistry, 2020, 1035, (5), 8514-8538.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2016, 1038, (2), 6315-6331.