SEARCH Articles Figures Tables Benzene fused Benzene rings Benzene rings Benzenes Benzene-fused five-membered heterocycles Benzenic ring Five-Membered Heterocycled Five-membered heterocycles Five-membered heterocyclic rings Five-membered heterocyclics Five-membered ring Fused Five-Membered Heterocycles Fused Five-membered Rings Fused heterocyclic Fused rings Fused-ring five-membered heterocycles Heterocycle, five ring Heterocycles fused Heterocyclic 5- membered ring