发明人郭海燕,钱学锋,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111928782 A, 授权公告日 2018-08-01.
Roberts E F, Kumar R, Park J H. "Method for the Synthesis of 3-(2-Morpholinoethyl)-1,1-diphenylurea" [P]. US Patent, US 11472454 B2, 2022-08-09.
Lee S K, Schröder R, Yamamoto T. "A Process for Preparing High-Purity 3-(2-Morpholinoethyl)-1,1-diphenylurea" [P]. US Patent, US 9627668 B2, 2016-10-24.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2014, 1529, (7), 2989-3016.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 2062, 5487-5511.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-Morpholinoethyl)-1,1-diphenylurea Using HRMS and NMR". Chromatographia, 2017, 1400, (2), 6861-6888.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2010, 1392, 5381-5401.