Process Chemistry Ontology	CPTAC Proteomics Pipeline Infrastructure Ontology	Source
http://proteomeontology.org/cpo.owl#Reagent	http://purl.obolibrary.org/obo/CHEBI_33893	LOOM
http://proteomeontology.org/cpo.owl#Experiment	http://purl.obolibrary.org/obo/PROCO_0000014	LOOM
http://proteomeontology.org/cpo.owl#StudyDesign	http://purl.obolibrary.org/obo/OBI_0500000	LOOM