1 AL4 (R)-4-ethylamino-3,4-dihydro-2-(2-methoylethyl)-2h-thieno[3,2-E]-1,2-thiazine-6-sulfonamide-1,1-dioxide 1.000 2 BZU (4r)-2-(2-ethoxyethyl)-4-(ethylamino)-3,4-dihydro-2h-thieno[3,2-E][1,2]thiazine-6-sulfonamide 1,1-dioxide 0.957 3 BZ1 (+)-4-ethylamino-3,4-dihydro-2-(methoxy)propyl-2h-thieno[3,2-E]-1,2-thiazine-6-sulfonamide-1,1-dioxide 0.800 4 ETS (4s-trans)-4-(ethylamino)-5,6-dihydro-6-methyl-4h-thieno(2,3-B)thiopyran-2-sulfonamide-7,7-dioxide 0.708