1 INM 4-amino-6-[N-(3-methoxylpropyl)-2h-thieno[3,2-E][1,2]thiazine 1,1-dioxide]-sulfonamide 1.000 2 BZ1 (+)-4-ethylamino-3,4-dihydro-2-(methoxy)propyl-2h-thieno[3,2-E]-1,2-thiazine-6-sulfonamide-1,1-dioxide 0.833