发明人孙丽萍,朱建伟,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115447462 A, 授权公告日 2015-10-04.
发明人唐晓军,刘建华,沈红梅. "Method for the Synthesis of 3-Ethylquinazoline-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 110173075 B, 授权公告日 2025-04-19.
发明人王建平,马晓峰,韩伟. "A Process for Preparing High-Purity 3-Ethylquinazoline-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 111372677 B, 授权公告日 2020-06-19.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2011, 1733, (2), 4810-4825.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2022, 1618, 2348-2362.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethylquinazoline-2,4(1H,3H)-dione Using HRMS and NMR". Anal. Chim. Acta, 2013, 912, 2631-2656.