Fischer A B, O'Brien P Q, Kumar R. "Method for the Synthesis of 5-Methoxy-3-methylpyrazine-2-carbonitrile" [P]. US Patent, US 11021170 B2, 2018-12-12.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2010, 2245, (8), 5576-5603.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2014, 2158, 1367-1378.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methoxy-3-methylpyrazine-2-carbonitrile Using HRMS and NMR". Molecules, 2014, 2378, (11), 3119-3137.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2017, 1619, (3), 7629-7638.