O'Brien P Q, Chen K W, Williams B T. "一种ethyl 4-(4-ethylphenyl)-2,4-dioxobutanoate的合成方法" [P]. US Patent, US 9613845 B2, 2022-07-07.
发明人沈红梅,王建平,冯建国. "Method for the Synthesis of ethyl 4-(4-ethylphenyl)-2,4-dioxobutanoate" [P]. 中国发明专利, 专利号 CN 110756375 B, 授权公告日 2016-12-24.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 4-(4-ethylphenyl)-2,4-dioxobutanoate in Pharmaceutical Formulations". J. Sep. Sci., 2010, 302, 1091-1113.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 4-(4-ethylphenyl)-2,4-dioxobutanoate as an Impurity". Biomed. Chromatogr., 2022, 1622, 3237-3251.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 4-(4-ethylphenyl)-2,4-dioxobutanoate Using HRMS and NMR". Environ. Sci. Technol., 2023, 379, 4163-4188.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate ethyl 4-(4-ethylphenyl)-2,4-dioxobutanoate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2025, 317, (3), 5918-5944.