发明人朱建伟,罗永刚,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116990574 A, 授权公告日 2015-03-03.
Nowak P, Mueller T C, Kowalski A. "Method for the Synthesis of 3-[(1E)-1-Ethoxy-2-(1H-1,2,4-triazol-1-yl)ethylidene]-1-phenylurea" [P]. European Patent, EP 3784649 A1, 2017-01-11.
Johansson L, Lefèvre J P, Sørensen M. "A Process for Preparing High-Purity 3-[(1E)-1-Ethoxy-2-(1H-1,2,4-triazol-1-yl)ethylidene]-1-phenylurea" [P]. European Patent, EP 3966540 A1, 2019-09-21.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2016, 1974, (7), 9569-9586.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2014, 853, (6), 7733-7753.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3-[(1E)-1-Ethoxy-2-(1H-1,2,4-triazol-1-yl)ethylidene]-1-phenylurea Using HRMS and NMR". J. Chromatogr. A, 2018, 143, (8), 9725-9738.