(S,S)-Rel-4-(Ethylamino)-N-[[(4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno[2,3-b]thiopyran-2-ylSulfonyl]-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2Sulfonamide 7,7-DioxideSodiumSalt;Sodium rel-(S,S)-4-(Ethylamino)-N-[[(4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-7,7-dioxido-4H-thieno[2,3-b]thiopyran-2-ylSulfonyl]-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2Sulfonamide