Sørensen M, Jørgensen K, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3525622 A1, 2017-11-20.
发明人胡光,马晓峰,李文辉. "Method for the Synthesis of 4-Hydroxy-N-(2-methoxyphenyl)-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~-thieno[3,2-c][1,2]thiazine-3-carbothioamide" [P]. 中国发明专利, 专利号 CN 114518171 B, 授权公告日 2015-05-26.
发明人何建平,赵玉洁,林芳. "A Process for Preparing High-Purity 4-Hydroxy-N-(2-methoxyphenyl)-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~-thieno[3,2-c][1,2]thiazine-3-carbothioamide" [P]. 中国发明专利, 专利号 CN 111714283 B, 授权公告日 2022-11-07.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2019, 2462, 7657-7660.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 1964, 5358-5373.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-N-(2-methoxyphenyl)-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~-thieno[3,2-c][1,2]thiazine-3-carbothioamide Using HRMS and NMR". J. Agric. Food Chem., 2019, 1125, (11), 5209-5224.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2011, 1755, 700-729.