| Label | Id | |
|---|---|---|
| dihelium(1+) | http://purl.obolibrary.org/obo/CHEBI_33682 | |
| dihelium(2+) | http://purl.obolibrary.org/obo/CHEBI_33684 | |
| helium | http://purl.obolibrary.org/obo/CHEBI_33681 | |
| helium(0) | http://purl.obolibrary.org/obo/CHEBI_33681 | |
| hydridohelium | http://purl.obolibrary.org/obo/CHEBI_33689 | |
| hydridohelium(1+) | http://purl.obolibrary.org/obo/CHEBI_33688 | |
| elemental helium | http://purl.obolibrary.org/obo/CHEBI_33680 | |
| E 939 | http://purl.obolibrary.org/obo/CHEBI_33681 | |
| atomic helium | http://purl.obolibrary.org/obo/CHEBI_33681 | |
| dihelium cation | http://purl.obolibrary.org/obo/CHEBI_33682 | |
| dihelium dication | http://purl.obolibrary.org/obo/CHEBI_33684 | |
| helium dimer | http://purl.obolibrary.org/obo/CHEBI_33685 | |
| diatomic helium | http://purl.obolibrary.org/obo/CHEBI_33687 | |
| helium hydride | http://purl.obolibrary.org/obo/CHEBI_33689 | |
| helium hydride ion | http://purl.obolibrary.org/obo/CHEBI_33688 |