发明人钱学锋,马晓峰,胡光. "Method for the Synthesis of 3-(2-Chlorobenzyl)-2-(isopropylthio)-6,7-dimethoxyquinazolin-4(3H)-imine" [P]. 中国发明专利, 专利号 CN 110111744 B, 授权公告日 2022-12-28.
发明人沈红梅,罗永刚,孙丽萍. "A Process for Preparing High-Purity 3-(2-Chlorobenzyl)-2-(isopropylthio)-6,7-dimethoxyquinazolin-4(3H)-imine" [P]. 中国发明专利, 专利号 CN 113491063 B, 授权公告日 2020-12-15.
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". Molecules, 2012, 1988, (1), 4506-4519.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2024, 2305, 5016-5022.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-Chlorobenzyl)-2-(isopropylthio)-6,7-dimethoxyquinazolin-4(3H)-imine Using HRMS and NMR". Anal. Chim. Acta, 2017, 341, 8811-8820.