Sørensen M, Mueller T C, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3953959 A1, 2017-07-09.
发明人沈红梅,朱建伟,黄志刚. "Method for the Synthesis of 3-[(1E)-(Dimethylamino)methylidene]-1-(2-fluorophenyl)thiourea" [P]. 中国发明专利, 专利号 CN 108550004 A, 授权公告日 2017-01-08.
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". Molecules, 2013, 2149, (4), 1638-1657.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 2322, (5), 8117-8120.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 3-[(1E)-(Dimethylamino)methylidene]-1-(2-fluorophenyl)thiourea Using HRMS and NMR". Anal. Chem., 2012, 1838, (10), 5999-6027.