1 440 3-{[4-(but-2-yn-1-yloxy)phenyl]sulfonyl}propane-1-thiol 1.000 2 H1Z 4-butoxybenzenesulfonamide 0.737 3 3O5 4-(4-sulfamoyl-phenoxy)-butylammonium 0.700 4 L4W 4-pentoxybenzenesulfonamide 0.700