| Label | Id | |
|---|---|---|
| oleandomycins | http://purl.obolibrary.org/obo/CHEBI_25661 | |
| oleoyl | http://purl.obolibrary.org/obo/CHEBI_25667 | |
| oligoglycosylglucoses | http://purl.obolibrary.org/obo/CHEBI_25671 | |
| oligomycin | http://purl.obolibrary.org/obo/CHEBI_25675 | |
| oligomycins | http://purl.obolibrary.org/obo/CHEBI_25675 | |
| oligopeptide | http://purl.obolibrary.org/obo/CHEBI_25676 | |
| oligopeptides | http://purl.obolibrary.org/obo/CHEBI_25676 | |
| oligopeptido | http://purl.obolibrary.org/obo/CHEBI_25676 | |
| ommatin | http://purl.obolibrary.org/obo/CHEBI_25690 | |
| ommin | http://purl.obolibrary.org/obo/CHEBI_25691 | |
| ommochrome | http://purl.obolibrary.org/obo/CHEBI_25692 | |
| organometallics | http://purl.obolibrary.org/obo/CHEBI_25707 | |
| orotidine | http://purl.obolibrary.org/obo/CHEBI_25722 | |
| ortho-quinone | http://purl.obolibrary.org/obo/CHEBI_25622 | |
| ortho-quinones | http://purl.obolibrary.org/obo/CHEBI_25622 |