O'Brien P Q, Mueller T, Anderson J P. "Method for the Synthesis of 3-Bromo-6-methylpyrazine-2-carboxylic acid" [P]. US Patent, US 11510560 B2, 2020-05-25.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2010, 1597, (1), 2245-2266.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2010, 832, (11), 7071-7081.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-Bromo-6-methylpyrazine-2-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 419, (3), 9116-9142.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2012, 1453, (4), 9488-9512.