Schröder R, Sørensen M, Jørgensen K. "Method for the Synthesis of Ethyl 2-(1-(2,6-dichlorobenzoyl)-3-oxopiperazin-2-yl)acetate" [P]. European Patent, EP 3158947 A1, 2018-07-28.
发明人高志强,黄志刚,何建平. "A Process for Preparing High-Purity Ethyl 2-(1-(2,6-dichlorobenzoyl)-3-oxopiperazin-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 109684476 A, 授权公告日 2015-04-24.
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". Phytochemistry, 2018, 584, (12), 8362-8379.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2011, 934, (4), 8628-8656.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(1-(2,6-dichlorobenzoyl)-3-oxopiperazin-2-yl)acetate Using HRMS and NMR". Anal. Chem., 2017, 2104, (5), 7975-7995.