(4R)-4-(ethylamino)-2-(3-methoxypropyl)-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazine-6-sulfonamide 1,1-dioxide
(4r)-4-(ethylamino)-2-(3-methoxypropyl)-3,4-dihydro-2h-thieno[3,2-e][1,2]thiazine-6-sulfonamide 1,1-dioxide