Martínez F, Mueller T C, Nielsen H. "Method for the Synthesis of 2,4-Dimethoxyquinazoline-6-carbonitrile" [P]. European Patent, EP 3400672 A1, 2018-10-11.
Stevens L M, O'Brien P Q, Patel M V. "A Process for Preparing High-Purity 2,4-Dimethoxyquinazoline-6-carbonitrile" [P]. US Patent, US 10436357 B2, 2023-07-20.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2015, 1917, (2), 1495-1509.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2017, 417, 4548-4551.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Dimethoxyquinazoline-6-carbonitrile Using HRMS and NMR". Sci. Total Environ., 2010, 2465, (7), 1807-1811.