Schröder R, Williams B T, Anderson J P. "一种的合成方法" [P]. US Patent, US 9548193 B2, 2022-10-16.
发明人沈红梅,周伟,冯建国. "Method for the Synthesis of 3-Ethyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone" [P]. 中国发明专利, 专利号 CN 111049954 A, 授权公告日 2022-12-25.
发明人林芳,冯建国,李文辉. "A Process for Preparing High-Purity 3-Ethyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone" [P]. 中国发明专利, 专利号 CN 111598808 A, 授权公告日 2025-09-05.
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". J. Sep. Sci., 2014, 1130, 1377-1396.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2022, 2345, (10), 4988-5010.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-2-thioxo-2,3-dihydro-4(1H)-quinazolinone Using HRMS and NMR". Anal. Chim. Acta, 2020, 2124, (6), 8260-8274.