O'Brien P Q, Hughes D C, Williams B T. "一种的合成方法" [P]. US Patent, US 9190316 B2, 2025-10-03.
Park J H, Anderson J P, Kumar R. "Method for the Synthesis of 5-Bromo-1H-indole-2-carbohydrazide" [P]. US Patent, US 9343414 B2, 2023-10-04.
Lefèvre J P, Jørgensen K, Sørensen M. "A Process for Preparing High-Purity 5-Bromo-1H-indole-2-carbohydrazide" [P]. European Patent, EP 3277559 A1, 2020-12-27.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2016, 95, (4), 6848-6869.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2021, 182, 1070-1074.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-1H-indole-2-carbohydrazide Using HRMS and NMR". Anal. Chem., 2021, 1510, 5319-5332.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2022, 1645, (4), 8284-8306.