Functional Therapeutic Chemical Classification System	Natural Products Ontology	Source
http://purl.obolibrary.org/obo/GO_0042116	http://www.owl-ontologies.com/NPOntology.owl#id_000456	LOOM
http://purl.obolibrary.org/obo/GO_0016265	http://www.owl-ontologies.com/NPOntology.owl#id_000858	LOOM
http://purl.uniprot.org/core/Protein	http://www.owl-ontologies.com/NPOntology.owl#Protein	LOOM
http://purl.obolibrary.org/obo/GO_0051899	http://www.owl-ontologies.com/NPOntology.owl#id_000592	LOOM
http://purl.obolibrary.org/obo/GO_0002524	http://www.owl-ontologies.com/NPOntology.owl#DOID_1205	LOOM
http://purl.obolibrary.org/obo/CHEBI_50906	http://purl.org/biotop/biotop.owl#Role	LOOM