| Label | Id | |
|---|---|---|
| hydroxyfluorenes | 24699 | |
| hydroxyhexadecanal | 195245 | |
| hydroxykynurenamine | 24705 | |
| hydroxylamines | 24709 | |
| hydroxymalonate | 24711 | |
| hydroxymethylnitramine | 24722 | |
| hydroxynaphthalene | 24727 | |
| hydroxynitrile | 24730 | |
| hydroxyphenylalanine | 24734 | |
| hydroxyproline | 24741 | |
| hydroxypyridine | 24745 | |
| hydroxytoluene | 24751 | |
| hygromycin | 24753 | |
| hypofluorite | 30244 | |
| hypomanganate | 29244 |