发明人徐明华,郑宇鹏,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110830208 A, 授权公告日 2018-04-16.
发明人罗永刚,赵玉洁,韩伟. "Method for the Synthesis of 6,7-Dimethoxy-2-(l-piperazinyl)-Quinazoline" [P]. 中国发明专利, 专利号 CN 112760211 B, 授权公告日 2018-04-14.
发明人黄志刚,林芳,李文辉. "A Process for Preparing High-Purity 6,7-Dimethoxy-2-(l-piperazinyl)-Quinazoline" [P]. 中国发明专利, 专利号 CN 113846249 B, 授权公告日 2019-05-15.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2017, 951, (11), 8248-8260.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 557, 7356-7380.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6,7-Dimethoxy-2-(l-piperazinyl)-Quinazoline Using HRMS and NMR". J. Nat. Prod., 2018, 1552, (2), 4920-4933.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2014, 2215, (1), 5459-5481.