Enzyme Reaction Ontology for annotating Partial Information of chemical transformation	Core Ontology for Biology and Biomedicine	Source
http://purl.obolibrary.org/obo/COB_0000011	http://reactionontology.org/piero/kcfs#atom	LOOM
http://purl.obolibrary.org/obo/COB_0000013	http://reactionontology.org/piero/molecule	LOOM
http://purl.obolibrary.org/obo/BFO_0000015	http://reactionontology.org/piero/process	LOOM