Process Chemistry Ontology	Natural Products Ontology	Source
http://purl.obolibrary.org/obo/CHEBI_35366	http://www.owl-ontologies.com/NPOntology.owl#FattyAcid	LOOM
http://purl.obolibrary.org/obo/CHEBI_33709	http://purl.bioontology.org/ontology/CHEBI#amino_acid	LOOM
http://purl.obolibrary.org/obo/CHEBI_51086	http://purl.org/biotop/biotop.owl#ChemicalRole	LOOM
http://purl.obolibrary.org/obo/CHEBI_18059	http://purl.bioontology.org/ontology/CHEBI#lipid	LOOM
http://purl.obolibrary.org/obo/PR_000000001	http://www.owl-ontologies.com/NPOntology.owl#Protein	LOOM
http://purl.obolibrary.org/obo/CHEBI_16670	http://purl.bioontology.org/ontology/CHEBI#peptide	LOOM
http://purl.obolibrary.org/obo/CHEBI_18379	http://www.owl-ontologies.com/NPOntology.owl#Nitrile	LOOM
http://purl.obolibrary.org/obo/OBI_0000427	http://www.owl-ontologies.com/NPOntology.owl#Enzyme	LOOM
http://purl.obolibrary.org/obo/BFO_0000023	http://purl.org/biotop/biotop.owl#Role	LOOM