发明人冯建国,刘建华,李文辉. "Method for the Synthesis of N,3-Dimethyl-N-[2-(methylsulfanyl)-4-quinazolinyl]benzenecarbohydrazide" [P]. 中国发明专利, 专利号 CN 116114657 A, 授权公告日 2023-10-05.
发明人何建平,韩伟,郭海燕. "A Process for Preparing High-Purity N,3-Dimethyl-N-[2-(methylsulfanyl)-4-quinazolinyl]benzenecarbohydrazide" [P]. 中国发明专利, 专利号 CN 110126799 B, 授权公告日 2023-08-25.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2023, 333, 7813-7819.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 141, 5692-5700.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of N,3-Dimethyl-N-[2-(methylsulfanyl)-4-quinazolinyl]benzenecarbohydrazide Using HRMS and NMR". Sci. Total Environ., 2022, 1616, (7), 3704-3724.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2020, 2101, 2132-2145.