发明人周伟,罗永刚,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117431523 A, 授权公告日 2025-04-19.
发明人杨光,冯建国,唐晓军. "Method for the Synthesis of 4-(Phenylamino)-2,3-dihydro-1lambda6-thiophene-1,1-dione" [P]. 中国发明专利, 专利号 CN 114595884 B, 授权公告日 2025-11-27.
发明人周伟,何建平,李文辉. "A Process for Preparing High-Purity 4-(Phenylamino)-2,3-dihydro-1lambda6-thiophene-1,1-dione" [P]. 中国发明专利, 专利号 CN 117200813 A, 授权公告日 2021-03-07.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 140, 9229-9247.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 412, (4), 8348-8354.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Phenylamino)-2,3-dihydro-1lambda6-thiophene-1,1-dione Using HRMS and NMR". J. Chromatogr. A, 2022, 1144, (6), 2662-2674.