Hughes D C, Patel M V, Fischer A B. "一种的合成方法" [P]. US Patent, US 11506072 B2, 2021-09-11.
发明人钱学锋,唐晓军,孙丽萍. "Method for the Synthesis of 4-Hydroxy-1-methyl-N-phenyl-1H-thieno[3,2-c][1,2]thiazine-3-carbothioamide 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 113309222 A, 授权公告日 2016-09-15.
发明人刘建华,黄志刚,陈志强. "A Process for Preparing High-Purity 4-Hydroxy-1-methyl-N-phenyl-1H-thieno[3,2-c][1,2]thiazine-3-carbothioamide 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 111620459 B, 授权公告日 2021-03-08.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2023, 1456, (4), 6181-6206.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 980, (1), 9927-9949.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-1-methyl-N-phenyl-1H-thieno[3,2-c][1,2]thiazine-3-carbothioamide 2,2-dioxide Using HRMS and NMR". J. Sep. Sci., 2015, 983, (12), 3714-3742.