发明人韩伟,刘建华,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113914555 A, 授权公告日 2022-01-06.
Sørensen M, Mueller T C, Schröder R. "Method for the Synthesis of 1-(8-Ethoxy-4-methylquinazolin-2-yl)guanidine" [P]. European Patent, EP 3362566 A1, 2021-01-10.
发明人胡光,郭海燕,黄志刚. "A Process for Preparing High-Purity 1-(8-Ethoxy-4-methylquinazolin-2-yl)guanidine" [P]. 中国发明专利, 专利号 CN 113253023 A, 授权公告日 2025-05-18.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2013, 1424, (3), 2865-2874.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2025, 1120, (1), 1837-1854.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-(8-Ethoxy-4-methylquinazolin-2-yl)guanidine Using HRMS and NMR". Anal. Methods, 2022, 784, (1), 5689-5718.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2020, 1122, (5), 7068-7096.