Synonyms: 4H-Thieno[2,3-b]thiopyran-2-sulfonamide,5,6-dihydro-4-[(2-methylpropyl)amino]-, 7,7-dioxide, monohydrochloride, (4S)-(9CI); 4H-Thieno[2,3-b]thiopyran-2-sulfonamide,5,6-dihydro-4-[(2-methylpropyl)amino]-, 7,7-dioxide, monohydrochloride, (S)-;MK 417; Sezolamide hydrochloride