Enzyme Reaction Ontology for annotating Partial Information of chemical transformation	The Ecosystem Ontology	Source
http://purl.obolibrary.org/obo/BFO_0000015	http://reactionontology.org/piero/process	LOOM
http://purl.dataone.org/odo/ECSO_00000546	http://reactionontology.org/piero/process	LOOM