The Drug Ontology GOLD Ecosystem Classification Source
https://w3id.org/gold.vocab/Royal-jelly http://purl.obolibrary.org/obo/CHEBI_78665 LOOM
https://w3id.org/gold.vocab/Buffer http://purl.obolibrary.org/obo/CHEBI_35225 LOOM
https://w3id.org/gold.vocab/Methane http://purl.obolibrary.org/obo/CHEBI_16183 LOOM
https://w3id.org/gold.vocab/Palm-oil http://purl.obolibrary.org/obo/DRON_00017681 LOOM
https://w3id.org/gold.vocab/Water http://purl.obolibrary.org/obo/CHEBI_15377 LOOM
https://w3id.org/gold.vocab/Xylene http://purl.obolibrary.org/obo/CHEBI_27338 LOOM
https://w3id.org/gold.vocab/Benzene http://purl.obolibrary.org/obo/CHEBI_16716 LOOM
https://w3id.org/gold.vocab/Carbonate http://purl.obolibrary.org/obo/CHEBI_41609 LOOM
https://w3id.org/gold.vocab/Hydrocarbon http://purl.obolibrary.org/obo/CHEBI_24632 LOOM