| Label | Id | |
|---|---|---|
| OPA | http://purl.obolibrary.org/obo/CHEBI_70851 | |
| o-phthalaldehyde | http://purl.obolibrary.org/obo/CHEBI_70851 | |
| o-Phthaldehyde | http://purl.obolibrary.org/obo/CHEBI_70851 | |
| o-Phthaldialdehyde | http://purl.obolibrary.org/obo/CHEBI_70851 | |
| o-Phthalicdicarboxaldehyde | http://purl.obolibrary.org/obo/CHEBI_70851 | |
| OPTA | http://purl.obolibrary.org/obo/CHEBI_70851 | |
| ortho-halobenzoic acid | http://purl.obolibrary.org/obo/CHEBI_70862 | |
| ortho-halobenzoic acids | http://purl.obolibrary.org/obo/CHEBI_70862 | |
| PA-132 | http://purl.obolibrary.org/obo/CHEBI_70816 | |
| papain (EC 3.4.22.2) inhibitor | http://purl.obolibrary.org/obo/CHEBI_70822 | |
| papain (EC 3.4.22.2) inhibitors | http://purl.obolibrary.org/obo/CHEBI_70822 | |
| papaine inhibitor | http://purl.obolibrary.org/obo/CHEBI_70822 | |
| papaine inhibitors | http://purl.obolibrary.org/obo/CHEBI_70822 | |
| papain inhibitor | http://purl.obolibrary.org/obo/CHEBI_70822 | |
| papain inhibitors | http://purl.obolibrary.org/obo/CHEBI_70822 |