1 BI4 3-(1h-indol-3-yl)-4-{1-[2-(1-methylpyrrolidin-2-yl)ethyl]-1h-indol-3-yl}-1h-pyrrole-2,5-dione 1.000 2 BI2 3-(1h-indol-3-yl)-4-(1-{2-[(2s)-1-methylpyrrolidinyl]ethyl}-1h-indol-3-yl)-1h-pyrrole-2,5-dione 1.000 3 BI3 3-[1-(3-aminopropyl)-1h-indol-3-yl]-4-(1h-indol-3-yl)-1h-pyrrole-2,5-dione 0.771 4 BI8 3-[1-(3-aminopropyl)-1h-indol-3-yl]-4-(1-methyl-1h-indol-3-yl)-1h-pyrrole-2,5-dione 0.750 5 BI1 3-{1-[3-(dimethylamino)propyl]-1h-indol-3-yl}-4-(1h-indol-3-yl)-1h-pyrrole-2,5-dione 0.730