2-[1-[4-(3-ethyl)pyridyl]]ethenylindole

5-hydroxy-5-methyl-indolo(1,2-b)(2,7)naphthyridin-12-one

1-(1H-indol-2-yl)-1-methyl-furo[3,4-c]pyridine-3(1H)-one

3-methyl-2-(1-(pyridin-4-yl)vinyl)-1H-indole

2-[1-[4-(3-methyl)pyridyl]]ethenylindole