SEARCH Articles Figures Tables 5- membered, from Five-Membered Heterocycled Five-membered heterocycles Five-membered heterocycles compounds Five-membered heterocyclic rings Five-membered heterocyclics Five-membered ring From five-membered rings From heterocycles From heterocyclic compounds Heterocycle, five ring Heterocyclic 5- membered ring Heterocyclic compounds five-membered Heterocyclic compounds five-membered rings Heterocyclic ring compounds Ring compounds heterocyclic five-membered rings