1 J43 4-{[6-chloro-5-formyl-2-(methylsulfanyl)pyrimidin-4-yl]amino}benzenesulfonamide 1.000 2 U55 4-[(6-amino-4-pyrimidinyl)amino]benzenesulfonamide 0.739 3 J45 4-[(6-chloro-5-nitropyrimidin-4-yl)amino]benzenesulfonamide 0.720