4-[2-(4H-furo[3,2-b]indol-2-yl)ethenyl]benzonitrile

2-[2-(5-nitrofuran-2-yl)ethenyl]-4H-furo[3,2-b]indole

2-[2-(4-nitrophenyl)ethenyl]-4H-furo[3,2-b]indole

2-(2-thiophen-2-ylethenyl)-4H-furo[3,2-b]indole

4-ethylfuro[3,2-b]indole-2-carbaldehyde