Nielsen H, Lefèvre J P, Jørgensen K. "Method for the Synthesis of Ethyl 4-(2,4-dichlorophenyl)-4-oxobutanoate" [P]. European Patent, EP 3570775 A1, 2017-12-28.
发明人刘建华,黄志刚,胡光. "A Process for Preparing High-Purity Ethyl 4-(2,4-dichlorophenyl)-4-oxobutanoate" [P]. 中国发明专利, 专利号 CN 109793104 A, 授权公告日 2024-10-01.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 2420, (9), 9928-9934.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 1212, (12), 1902-1922.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(2,4-dichlorophenyl)-4-oxobutanoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 1774, 6946-6961.