| Label | Id | |
|---|---|---|
| 1-Hydroxy-2-methoxyanthraquinone | http://purl.obolibrary.org/obo/CHEBI_2575 | |
| oxo carboxylic acids | http://purl.obolibrary.org/obo/CHEBI_25754 | |
| oxindole-3-acetic acid | http://purl.obolibrary.org/obo/CHEBI_25751 | |
| oxo-5beta-cholanic acid | http://purl.obolibrary.org/obo/CHEBI_25753 | |
| oxo-5beta-cholanic acids | http://purl.obolibrary.org/obo/CHEBI_25753 | |
| oxo acids | http://purl.obolibrary.org/obo/CHEBI_25754 | |
| oxime | http://purl.obolibrary.org/obo/CHEBI_25750 | |
| oximes | http://purl.obolibrary.org/obo/CHEBI_25750 | |
| oxo carboxylic acid | http://purl.obolibrary.org/obo/CHEBI_25754 | |
| Alizarin 2-methyl ether | http://purl.obolibrary.org/obo/CHEBI_2575 |