CHEMROF	Variation Ontology	Source
https://w3id.org/chemrof/BondTypeEnum#salt+bridge	http://purl.obolibrary.org/obo/VariO_0286	LOOM
https://w3id.org/chemrof/IngredientRoleEnum#solvent	http://purl.obolibrary.org/obo/VariO_0265	LOOM
https://w3id.org/chemrof/Protein	http://purl.obolibrary.org/obo/VariO_0277	LOOM
https://w3id.org/chemrof/Peptide	http://purl.obolibrary.org/obo/VariO_0275	LOOM
https://w3id.org/chemrof/SmallMolecule	http://purl.obolibrary.org/obo/VariO_0263	LOOM
https://w3id.org/chemrof/ElementFamilyEnum#Transition	http://purl.obolibrary.org/obo/VariO_0313	LOOM