发明人孙丽萍,冯建国,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112683006 A, 授权公告日 2015-06-24.
发明人陈志强,孙丽萍,何建平. "Method for the Synthesis of (4E)-4-[2-Bromo-1-(dimethylamino)ethylidene]-2-phenyl-4,5-dihydro-1,3-oxazol-5-one" [P]. 中国发明专利, 专利号 CN 109122539 B, 授权公告日 2017-01-22.
发明人冯建国,张德明,刘建华. "A Process for Preparing High-Purity (4E)-4-[2-Bromo-1-(dimethylamino)ethylidene]-2-phenyl-4,5-dihydro-1,3-oxazol-5-one" [P]. 中国发明专利, 专利号 CN 114677440 A, 授权公告日 2016-04-10.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 1533, 6119-6130.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2022, 2017, (5), 7409-7421.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of (4E)-4-[2-Bromo-1-(dimethylamino)ethylidene]-2-phenyl-4,5-dihydro-1,3-oxazol-5-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 1714, 6266-6285.