发明人郭海燕,郑宇鹏,杨光. "Method for the Synthesis of 2-Chloro-6,7-dimethyl-3,4-dihydroquinazolin-4-one" [P]. 中国发明专利, 专利号 CN 117339572 A, 授权公告日 2025-09-13.
发明人钱学锋,郑宇鹏,陈志强. "A Process for Preparing High-Purity 2-Chloro-6,7-dimethyl-3,4-dihydroquinazolin-4-one" [P]. 中国发明专利, 专利号 CN 117455980 A, 授权公告日 2015-10-06.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2025, 1803, 4104-4112.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 497, 7855-7871.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-6,7-dimethyl-3,4-dihydroquinazolin-4-one Using HRMS and NMR". Food Chem., 2013, 1303, 5339-5356.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2018, 1617, (2), 6020-6037.