| Label | Id | |
|---|---|---|
| (4)He(2+) | http://purl.obolibrary.org/obo/CHEBI_30216 | |
| alpha-particle | http://purl.obolibrary.org/obo/CHEBI_30216 | |
| helium-4(2+) | http://purl.obolibrary.org/obo/CHEBI_30216 |
| Label | Id | |
|---|---|---|
| (4)He(2+) | http://purl.obolibrary.org/obo/CHEBI_30216 | |
| alpha-particle | http://purl.obolibrary.org/obo/CHEBI_30216 | |
| helium-4(2+) | http://purl.obolibrary.org/obo/CHEBI_30216 |