发明人高志强,罗永刚,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116064773 A, 授权公告日 2023-08-23.
发明人罗永刚,唐晓军,孙丽萍. "Method for the Synthesis of 4-((Dimethylamino)methylene)oxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 109469287 A, 授权公告日 2022-04-15.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2025, 121, (5), 5254-5264.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2022, 1608, 6965-6971.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-((Dimethylamino)methylene)oxazol-5(4H)-one Using HRMS and NMR". Anal. Chim. Acta, 2019, 1029, (2), 8231-8237.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 437, (9), 1772-1786.