发明人唐晓军,张德明,杨光. "Method for the Synthesis of 5-(2-Methyl-4-oxoquinazolin-3(4H)-yl)-1H-imidazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 114460006 A, 授权公告日 2019-07-01.
发明人郭海燕,钱学锋,赵玉洁. "A Process for Preparing High-Purity 5-(2-Methyl-4-oxoquinazolin-3(4H)-yl)-1H-imidazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 109057275 B, 授权公告日 2016-12-18.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2021, 856, (5), 2634-2650.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 1018, (6), 2861-2873.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-Methyl-4-oxoquinazolin-3(4H)-yl)-1H-imidazole-4-carboxamide Using HRMS and NMR". Sci. Total Environ., 2016, 759, (5), 9268-9298.