Process Chemistry Ontology Cell Behavior Ontology Source
http://cbo.biocomplexity.indiana.edu/svn/cbo/trunk/CBO_1_1_2.owl#Molecule http://purl.obolibrary.org/obo/CHEBI_25367 LOOM
http://cbo.biocomplexity.indiana.edu/svn/cbo/trunk/CBO_1_1_2.owl#Mass http://purl.obolibrary.org/obo/PATO_0000125 LOOM