发明人高志强,胡光,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109417528 A, 授权公告日 2015-05-13.
发明人沈红梅,韩伟,朱建伟. "Method for the Synthesis of 2-Amino-3-methyl-6-nitro-2,3-dihydroquinazolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 113750259 A, 授权公告日 2024-11-27.
发明人朱建伟,高志强,徐明华. "A Process for Preparing High-Purity 2-Amino-3-methyl-6-nitro-2,3-dihydroquinazolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 109290460 A, 授权公告日 2025-12-22.
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". Anal. Methods, 2010, 2312, (2), 6843-6871.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 2250, 4944-4951.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-3-methyl-6-nitro-2,3-dihydroquinazolin-4(1H)-one Using HRMS and NMR". Chemosphere, 2023, 2450, 6622-6644.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2017, 1999, (8), 7743-7748.