| Label | Id | |
|---|---|---|
| hyponitrite | 24758 | |
| hypophosphite | 24759 | |
| hyrtial | 132487 | |
| iclaprim | 131724 | |
| icos#18 | 79124 | |
| iditol | 24766 | |
| iduronates | 24768 | |
| imidate | 52479 | |
| imidazobenzazepine | 71024 | |
| imidazoles | 24780 | |
| imidazolidine-2,4-dione | 24628 | |
| imidazolinone | 24781 | |
| imidazolylacetaldehyde | 24779 | |
| imidazopyrazole | 192493 | |
| imide | 24782 |