SEARCH Articles Figures Tables 5-Membered rings dihydro-, aromatization Aromatic Five-Membered Ring Heterocyclics Aromatic six-membered rings Aromaticity 6- membered rings Aromatics, 6-membered ring-closure Aromatization of six-membered rings Five-membered ring heterocycles, relative aromaticity Heteroaromatic compounds five-membered aromatic ring structures Membered Aromatic Rings Membered Aromatic Rings Membered Non-Aromatic Rings Other Aromatic Six-Membered Ring Heterocyclics Selenophens Fused to Six-membered Heterocyclic Aromatic Rings Six-Membered Aromatic Ring Construction Six-membered aromatic heterocycles can have oxygen in the ring