| Label | Id | |
|---|---|---|
| Oxyhemoglobin | http://purl.obolibrary.org/obo/CHEBI_7861 | |
| Oxymorphone | http://purl.obolibrary.org/obo/CHEBI_7865 | |
| Oxyphencyclimine | http://purl.obolibrary.org/obo/CHEBI_7868 | |
| Oxyresveratrol | http://purl.obolibrary.org/obo/CHEBI_7870 | |
| Oxytocin | http://purl.obolibrary.org/obo/CHEBI_7872 | |
| PC(0:0/2:0) | http://purl.obolibrary.org/obo/CHEBI_78045 | |
| PC(18:0/18:3(9Z,12Z,15Z)) | http://purl.obolibrary.org/obo/CHEBI_78022 | |
| PC(18:0/18:3) | http://purl.obolibrary.org/obo/CHEBI_78022 | |
| PC(18:0/18:3n3) | http://purl.obolibrary.org/obo/CHEBI_78022 | |
| PC(18:0/18:3omega3) | http://purl.obolibrary.org/obo/CHEBI_78022 | |
| PC(18:1(9Z)/2:0) | http://purl.obolibrary.org/obo/CHEBI_78044 | |
| PC(18:1/2:0) | http://purl.obolibrary.org/obo/CHEBI_78044 | |
| PC(36:3) | http://purl.obolibrary.org/obo/CHEBI_78022 | |
| PC(6:0/0:0) | http://purl.obolibrary.org/obo/CHEBI_78215 | |
| PC(8:0/8:0) | http://purl.obolibrary.org/obo/CHEBI_78228 |