| Label | Id | |
|---|---|---|
| Ner | http://purl.obolibrary.org/obo/CHEBI_25503 | |
| Nichtmetall | http://purl.obolibrary.org/obo/CHEBI_25585 | |
| Nichtmetalle | http://purl.obolibrary.org/obo/CHEBI_25585 | |
| Nno | http://purl.obolibrary.org/obo/CHEBI_25580 | |
| O-[(2-carbamimidamidoethoxy)(hydroxy)phosphoryl]serine | http://purl.obolibrary.org/obo/CHEBI_25072 | |
| Oco | http://purl.obolibrary.org/obo/CHEBI_25650 | |
| Octadecatriensaeure | http://purl.obolibrary.org/obo/CHEBI_25633 | |
| Octamethylcyclotetrasiloxane | http://purl.obolibrary.org/obo/CHEBI_25640 | |
| Oktamethylzyklotetrasiloxan | http://purl.obolibrary.org/obo/CHEBI_25640 | |
| Ole | http://purl.obolibrary.org/obo/CHEBI_25667 | |
| Oligopeptid | http://purl.obolibrary.org/obo/CHEBI_25676 | |
| Organochlorinsektizid | http://purl.obolibrary.org/obo/CHEBI_25705 | |
| Ozon | http://purl.obolibrary.org/obo/CHEBI_25812 | |
| PENT | http://purl.obolibrary.org/obo/CHEBI_25879 | |
| PETN | http://purl.obolibrary.org/obo/CHEBI_25879 |