O'Brien P Q, Mueller T, Stevens L M. "一种的合成方法" [P]. US Patent, US 11764382 B2, 2018-08-24.
Schröder R, Yamamoto T, Johnson M A. "Method for the Synthesis of Methyl 6-(butylamino)-5-cyano-2-methylnicotinate" [P]. US Patent, US 10676845 B2, 2016-09-17.
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., 2013, 1859, (2), 5975-5983.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2013, 2060, (10), 4478-4502.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 6-(butylamino)-5-cyano-2-methylnicotinate Using HRMS and NMR". J. Sep. Sci., 2014, 575, (5), 4842-4849.