Sequence Types and Features Ontology	The Prescription of Drugs Ontology	Source
http://purl.obolibrary.org/obo/SO_0000104	http://purl.obolibrary.org/obo/CHEBI_15841	LOOM
http://purl.obolibrary.org/obo/SO_0000695	http://purl.obolibrary.org/obo/CHEBI_33893	LOOM
http://purl.obolibrary.org/obo/SO_0000988	http://purl.obolibrary.org/obo/PATO_0000411	LOOM
http://purl.obolibrary.org/obo/SO_0001018	http://purl.obolibrary.org/obo/CHEBI_53000	LOOM