发明人张德明,钱学锋,黄志刚. "Method for the Synthesis of 5-[1-(3-Methoxy-phenyl)-meth-(Z)-ylidene]-imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 112606987 A, 授权公告日 2018-08-12.
发明人王建平,杨光,沈红梅. "A Process for Preparing High-Purity 5-[1-(3-Methoxy-phenyl)-meth-(Z)-ylidene]-imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 112378122 A, 授权公告日 2017-10-12.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2020, 1889, (3), 220-227.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2015, 608, (6), 2820-2835.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-[1-(3-Methoxy-phenyl)-meth-(Z)-ylidene]-imidazolidine-2,4-dione Using HRMS and NMR". Sci. Total Environ., 2014, 1059, (4), 458-466.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2018, 1220, (6), 8117-8140.