Roberts E F, Lee S K, Kumar R. "Method for the Synthesis of 4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide" [P]. US Patent, US 11488624 B2, 2024-03-21.
发明人沈红梅,张德明,黄志刚. "A Process for Preparing High-Purity 4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 108101859 A, 授权公告日 2018-09-06.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2010, 1251, 5377-5388.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1992, 9186-9207.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide Using HRMS and NMR". Molecules, 2023, 833, 5560-5568.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2023, 476, (9), 9659-9666.