1) Chemical compound 2) Compound 3) Coumarone 4) Cumarone 5) Simple aromatic ring 1) Coumarone 2) Cumarone 
Benzofuran is the heterocyclic compound consisting of fused benzene and furan rings. This colourless liquid is a component of coal tar. Benzofuran is the `parent` of many related compounds with more complex structures. For example, psoralen is a benzofuran derivative that occurs in several plants. ==Production== Benzofuran is extracted from coal.....
[n] - a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins
coumarone noun a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins
coumarone.