1 RCX Rofecoxib 1.000 2 COX 4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonamide 0.760 3 72H 4-(3-quinolinyl)-benzenesulfonamide 0.750 4 8GE 4-(1~{H}-indol-2-yl)benzenesulfonamide 0.708