Chemical Entities of Biological Interest Ontology	Ontology of Physics for Biology	Source
http://purl.obolibrary.org/obo/CHEBI_25367	http://bhi.washington.edu/OPB#OPB_01315	LOOM
http://purl.obolibrary.org/obo/CHEBI_24870	http://bhi.washington.edu/OPB#OPB_01760	LOOM