Schröder R, Jørgensen K, Johansson L. "Method for the Synthesis of Ethyl 4-bromo-1-ethyl-5-nitro-1H-pyrrole-2-carboxylate" [P]. European Patent, EP 3402492 A1, 2019-09-10.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2024, 2282, (8), 2163-2175.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2024, 1114, 4807-4823.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-bromo-1-ethyl-5-nitro-1H-pyrrole-2-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 1217, (9), 2056-2076.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 255, (6), 4718-4734.