Enzyme Reaction Ontology for annotating Partial Information of chemical transformation	Pharmacogenomic Relationships Ontology	Source
http://www.stanford.edu/~coulet/phare.owl#GeneProductReaction	http://reactionontology.org/piero/reaction	LOOM
http://www.stanford.edu/~coulet/phare.owl#GeneProductReaction	http://www.kegg.jp/entry/reaction	LOOM