Brown S R, Hughes D C, Thompson G K. "Method for the Synthesis of 2-Hydrazinyl-3H-imidazo[4,5-b]pyridine" [P]. US Patent, US 11680815 B2, 2017-12-22.
Hughes D C, O'Brien P Q, Patel M V. "A Process for Preparing High-Purity 2-Hydrazinyl-3H-imidazo[4,5-b]pyridine" [P]. US Patent, US 9380353 B2, 2021-01-04.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 1417, 1019-1022.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 325, 534-537.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-Hydrazinyl-3H-imidazo[4,5-b]pyridine Using HRMS and NMR". Sci. Total Environ., 2016, 1710, (7), 9344-9364.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2016, 1583, (5), 9427-9431.