1 YK9 4-(1h-imidazo[4,5-C]pyridin-2-yl)fluoren-9-one 1.000 2 YJX 1-(3h-imidazo[4,5-C]pyridin-2-yl)-3,4-dihydropyrido[2,1-a]isoindol-6(2h)-one 0.917 3 YKB N-[4-(3h-imidazo[4,5-C]pyridin-2-yl)-9h-fluoren-9-yl]-succinamide 0.710