Chen K W, Hughes D C, Lee S K. "一种的合成方法" [P]. US Patent, US 11030086 B2, 2016-10-27.
发明人杨光,唐晓军,马晓峰. "Method for the Synthesis of 5-(4-Ethoxyphenyl)-5-ethylbarbituric Acid (1.0mg/ml in Acetonitrile)" [P]. 中国发明专利, 专利号 CN 115610812 B, 授权公告日 2025-06-03.
Patel M V, Johnson M A, Williams B T. "A Process for Preparing High-Purity 5-(4-Ethoxyphenyl)-5-ethylbarbituric Acid (1.0mg/ml in Acetonitrile)" [P]. US Patent, US 9772513 B2, 2023-04-05.
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". Food Chem., 2013, 1933, (12), 8323-8350.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2020, 1420, 5066-5088.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 5-(4-Ethoxyphenyl)-5-ethylbarbituric Acid (1.0mg/ml in Acetonitrile) Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 1860, 6014-6036.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2025, 146, (4), 1537-1558.