CHEBI Integrated Role Ontology	HGeneCodonOntology	Source
http://www.semanticweb.org/owner/ontologies/2014/6/Drug.owl#ReverseTranscriptaseInhibitor	http://purl.obolibrary.org/obo/CHEBI_59897	LOOM
http://www.semanticweb.org/owner/ontologies/2014/6/Drug.owl#ProteaseInhibitor	http://purl.obolibrary.org/obo/CHEBI_37670	LOOM