organic polycyclic compound
http://purl.obolibrary.org/obo/CHEBI_51958
http://purl.obolibrary.org/obo/chebi.owl
CHEBI:51958
http://purl.obolibrary.org/obo/CHEBI_33635
http://purl.obolibrary.org/obo/CHEBI_33832