123291-07-6 4-H-Thieno(2,3-b)thiopyran-2-sulfonamide, 5,6-dihydro-4-((2-methylpropyl)amino)-, 7,7-dioxide 5,6-Dihydro-4-(2-methylpropyl)amino-4H-thieno(2,3-b)thiopyran-2-sulfonamide-7,7-dioxide MK 927 sezolamide