1 V50 4-[(4,6-dimethylpyrimidin-2-yl)thio]-2,3,5,6-tetrafluorobenzenesulfonamide 1.000 2 V49 4-(1,3-benzothiazol-2-ylsulfanyl)-2,3,5,6-tetrakis(fluoranyl)benzenesulfonamide 0.741