| Label | Id | |
|---|---|---|
| pseudouridines | http://purl.obolibrary.org/obo/CHEBI_26366 | |
| psoralenes | http://purl.obolibrary.org/obo/CHEBI_26369 | |
| psoralens | http://purl.obolibrary.org/obo/CHEBI_26369 | |
| pteridines | http://purl.obolibrary.org/obo/CHEBI_26373 | |
| pteridoxamine | http://purl.obolibrary.org/obo/CHEBI_26374 | |
| pterin | http://purl.obolibrary.org/obo/CHEBI_26374 | |
| pterins | http://purl.obolibrary.org/obo/CHEBI_26375 | |
| pterocarpans | http://purl.obolibrary.org/obo/CHEBI_26377 | |
| pullulanpyrazole | http://purl.obolibrary.org/obo/CHEBI_26383 | |
| pullulans | http://purl.obolibrary.org/obo/CHEBI_26384 | |
| purines | http://purl.obolibrary.org/obo/CHEBI_26401 | |
| puromycins | http://purl.obolibrary.org/obo/CHEBI_26404 | |
| putrescines | http://purl.obolibrary.org/obo/CHEBI_26406 | |
| pyrans | http://purl.obolibrary.org/obo/CHEBI_26407 | |
| pyrazoles | http://purl.obolibrary.org/obo/CHEBI_26410 |