Term Name:	ortho- and peri-fused compound
Synonyms:	ortho- and peri-fused compounds, ortho- and peri-fused polycyclic compounds
Definition:	A polycyclic compound in which one ring contains two, and only two, atoms in common with each of two or more rings of a contiguous series of rings. Such compounds have n common faces and less than 2n common atoms.
Ontology:	ChEBI [CHEBI:33639]  ( EBI )