Process Chemistry Ontology	Physico-Chemical Process	Source
http://purl.obolibrary.org/obo/CHMO_0001696	http://purl.obolibrary.org/obo/REX_0000378	LOOM
http://purl.obolibrary.org/obo/CHMO_0001688	http://purl.obolibrary.org/obo/REX_0000182	LOOM
http://purl.obolibrary.org/obo/CHMO_0001574	http://purl.obolibrary.org/obo/REX_0000178	LOOM
http://purl.obolibrary.org/obo/PROCO_0000052	http://purl.obolibrary.org/obo/REX_0000179	LOOM
http://purl.obolibrary.org/obo/BFO_0000015	http://purl.obolibrary.org/obo/REX_0000001	LOOM