Lee S K, Johnson M A, Yamamoto T. "Method for the Synthesis of 3-Methyl-4-oxo-3,4-dihydroquinazoline-7-carboxylic acid" [P]. US Patent, US 11959544 B2, 2018-11-17.
发明人罗永刚,沈红梅,刘建华. "A Process for Preparing High-Purity 3-Methyl-4-oxo-3,4-dihydroquinazoline-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115583788 A, 授权公告日 2023-02-09.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2016, 2399, 6770-6775.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 1246, (5), 1182-1211.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-4-oxo-3,4-dihydroquinazoline-7-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2011, 562, 2510-2530.