1 FYV 3-(pyridin-4-yl)imidazo[1,2-B]pyridazine 1.000 2 4F9 4-(1h-imidazol-5-yl)pyridine 0.733 3 FZM 2-phenyl-6,7-dihydro-5h-pyrrolo[1,2-a]imidazole 0.706