Björnsson E, Sørensen M, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3487550 A1, 2024-03-28.
发明人朱建伟,张德明,马晓峰. "Method for the Synthesis of 2-((((7,8-Dimethyl-2-oxo-2H-chromen-4-yl)methyl)(ethyl)amino)methyl)-6,7-dimethoxyquinazolin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 111614852 A, 授权公告日 2023-04-21.
发明人韩伟,唐晓军,冯建国. "A Process for Preparing High-Purity 2-((((7,8-Dimethyl-2-oxo-2H-chromen-4-yl)methyl)(ethyl)amino)methyl)-6,7-dimethoxyquinazolin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 112031222 A, 授权公告日 2025-11-09.
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". Chemosphere, 2018, 650, (4), 8905-8909.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 2144, (9), 2323-2331.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2-((((7,8-Dimethyl-2-oxo-2H-chromen-4-yl)methyl)(ethyl)amino)methyl)-6,7-dimethoxyquinazolin-4(3H)-one Using HRMS and NMR". Environ. Sci. Technol., 2015, 2449, (9), 1758-1766.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2020, 1972, (4), 6311-6337.