SEARCH Articles Figures Tables 1.4- Dioxo compounds heterocycles from Alkaloids and Other Heterocyclic Compounds from Porifera Formation of heterocyclic compound from Four-membered heterocyclic compounds from From Heterocyclic Tellurium Compounds From heterocycles Heterocycles from active hydrogen compounds Heterocycles from aromatic compounds Heterocyclic compounds flavoring from Heterocyclic compounds formation from alkynes Heterocyclic compounds formation from isocyanides Heterocyclic compounds formation from saturated substituted Heterocyclic compounds formation from tetracyanoethylene Heterocyclic compounds formation from ylidenemalononitrile Heterocyclic compounds synthesis from oximes Heterocyclic compounds synthesized from Heterocyclic compounds synthesized from reviews Heterocyclic compounds, synthesis from Heterocyclic compounds, synthesis from halides P-Stereogenic Compounds Derived from Enantiopure Heterocycles Reactions from heterocyclic compounds Ring compounds heterocyclic five-membered rings from Syntheses from Acyclic Compounds and Other Heterocycles Thiazoles from Other Heterocyclic Compounds