| Label | Id | |
|---|---|---|
| hydroxyflavanones | http://purl.obolibrary.org/obo/CHEBI_24697 | |
| hydroxyflavone | http://purl.obolibrary.org/obo/CHEBI_24698 | |
| hydroxyflavones | http://purl.obolibrary.org/obo/CHEBI_24698 | |
| hydroxyfluorenes | http://purl.obolibrary.org/obo/CHEBI_24699 | |
| hydroxyindoles | http://purl.obolibrary.org/obo/CHEBI_24702 | |
| hydroxykynurenamine | http://purl.obolibrary.org/obo/CHEBI_24705 | |
| hydroxylamines | http://purl.obolibrary.org/obo/CHEBI_24709 | |
| hydroxymalonate | http://purl.obolibrary.org/obo/CHEBI_24711 | |
| hydroxymethyl | http://purl.obolibrary.org/obo/CHEBI_24712 | |
| hydroxymethylnitramine | http://purl.obolibrary.org/obo/CHEBI_24722 | |
| hydroxymethylsilanetriol | http://purl.obolibrary.org/obo/CHEBI_24725 | |
| hydroxynaphthalene | http://purl.obolibrary.org/obo/CHEBI_24727 | |
| hydroxynitrile | http://purl.obolibrary.org/obo/CHEBI_24730 | |
| hydroxyphenylalanine | http://purl.obolibrary.org/obo/CHEBI_24734 | |
| hydroxyproline | http://purl.obolibrary.org/obo/CHEBI_24741 |