1 EZ1 4-[(prop-2-en-1-yl)selanyl]benzene-1-sulfonamide 1.000 2 FQV 4-[(but-2-yn-1-yl)selanyl]benzene-1-sulfonamide 0.933 3 FB2 Benzenesulfonamide 0.714 4 KQU 4-[(2r)-3-butylselanyl-2-oxidanyl-propyl]selanylbenzenesulfonamide 0.700 5 KR6 4-[(2s)-3-butylselanyl-2-oxidanyl-propyl]selanylbenzenesulfonamide 0.700