1 KFQ 1-sulfanyl[1,2,4]triazolo[4,3-a]quinoxalin-4(5h)-one 1.000 2 53Y Pyrrolo[1,2-a]quinoxalin-4(5h)-one 0.706 3 L0D 2-(1h-pyrazol-3-yl)-1h-benzimidazole 0.706