Process Chemistry Ontology
GoMapMan
Source
http://purl.obolibrary.org/obo/GMM_5
http://purl.obolibrary.org/obo/CHMO_0001624
LOOM
http://purl.obolibrary.org/obo/GMM_29
http://purl.obolibrary.org/obo/PR_000000001
LOOM