Process Chemistry Ontology The Data Use Ontology Source
http://purl.obolibrary.org/obo/BFO_0000020 http://purl.obolibrary.org/obo/BFO_0000020 SAME_URI
http://purl.obolibrary.org/obo/PATO_0000001 http://purl.obolibrary.org/obo/BFO_0000019 LOOM